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Available in 19 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-19" aria-hidden="true" > 19 languages </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Gallium(III)oksied" title="Gallium(III)oksied – Afrikaans" lang="af" hreflang="af" data-title="Gallium(III)oksied" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target">Afrikaans</a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A3%D9%83%D8%B3%D9%8A%D8%AF_%D8%A7%D9%84%D8%BA%D8%A7%D9%84%D9%8A%D9%88%D9%85_%D8%A7%D9%84%D8%AB%D9%84%D8%A7%D8%AB%D9%8A" title="أكسيد الغاليوم الثلاثي – Arabic" lang="ar" hreflang="ar" data-title="أكسيد الغاليوم الثلاثي" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target">العربية</a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A7%D9%88%DA%A9%D8%B3%DB%8C%D8%AF_%D9%82%D8%A7%D9%84%DB%8C%D9%88%D9%85_(III)" title="اوکسید قالیوم (III) – South Azerbaijani" lang="azb" hreflang="azb" data-title="اوکسید قالیوم (III)" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target">تۆرکجه</a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Tri%C3%B2xid_de_gal%C2%B7li" title="Triòxid de gal·li – Catalan" lang="ca" hreflang="ca" data-title="Triòxid de gal·li" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target">Català</a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Oxid_gallit%C3%BD" title="Oxid gallitý – Czech" lang="cs" hreflang="cs" data-title="Oxid gallitý" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target">Čeština</a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Gallium(III)-oxid" title="Gallium(III)-oxid – German" lang="de" hreflang="de" data-title="Gallium(III)-oxid" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target">Deutsch</a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%DA%A9%D8%B3%DB%8C%D8%AF_%DA%AF%D8%A7%D9%84%DB%8C%D9%85_(III)" title="اکسید گالیم (III) – Persian" lang="fa" hreflang="fa" data-title="اکسید گالیم (III)" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target">فارسی</a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Oxyde_de_gallium(III)" title="Oxyde de gallium(III) – French" lang="fr" hreflang="fr" data-title="Oxyde de gallium(III)" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target">Français</a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%93%D0%B0%D0%BB%D0%B8%D1%83%D0%BC_(III)_%D0%BE%D0%BA%D1%81%D0%B8%D0%B4" title="Галиум (III) оксид – Macedonian" lang="mk" hreflang="mk" data-title="Галиум (III) оксид" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target">Македонски</a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Gallium(III)oxide" title="Gallium(III)oxide – Dutch" lang="nl" hreflang="nl" data-title="Gallium(III)oxide" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target">Nederlands</a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%85%B8%E5%8C%96%E3%82%AC%E3%83%AA%E3%82%A6%E3%83%A0(III)" title="酸化ガリウム(III) – Japanese" lang="ja" hreflang="ja" data-title="酸化ガリウム(III)" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target">日本語</a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/%C3%93xido_de_g%C3%A1lio(III)" title="Óxido de gálio(III) – Portuguese" lang="pt" hreflang="pt" data-title="Óxido de gálio(III)" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target">Português</a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9E%D0%BA%D1%81%D0%B8%D0%B4_%D0%B3%D0%B0%D0%BB%D0%BB%D0%B8%D1%8F(III)" title="Оксид галлия(III) – Russian" lang="ru" hreflang="ru" data-title="Оксид галлия(III)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target">Русский</a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Galijum(III)_oksid" title="Galijum(III) oksid – Serbian" lang="sr" hreflang="sr" data-title="Galijum(III) oksid" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target">Српски / srpski</a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Galijum(III)_oksid" title="Galijum(III) oksid – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Galijum(III) oksid" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target">Srpskohrvatski / српскохрватски</a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Galliumoksidi" title="Galliumoksidi – Finnish" lang="fi" hreflang="fi" data-title="Galliumoksidi" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target">Suomi</a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BE%E0%AE%B2%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D(III)_%E0%AE%9F%E0%AE%BF%E0%AE%B0%E0%AF%88%E0%AE%AF%E0%AE%BE%E0%AE%95%E0%AF%8D%E0%AE%9A%E0%AF%88%E0%AE%9F%E0%AF%81" title="காலியம்(III) டிரையாக்சைடு – Tamil" lang="ta" hreflang="ta" data-title="காலியம்(III) டிரையாக்சைடு" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target">தமிழ்</a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Gali(III)_oxide" title="Gali(III) oxide – Vietnamese" lang="vi" hreflang="vi" data-title="Gali(III) oxide" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target">Tiếng Việt</a></li><li class="interlanguage-link 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data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r1084375498">.mw-parser-output .ib-chembox{border-collapse:collapse;text-align:left}.mw-parser-output .ib-chembox td,.mw-parser-output .ib-chembox th{border:1px solid #a2a9b1;width:40%}.mw-parser-output .ib-chembox td+td{width:60%}</style> <table class="infobox ib-chembox"> <caption>Gallium(III) trioxide </caption> <tbody><tr> <td colspan="2" style="text-align:center; padding:2px;"><a href="/wiki/File:Gallium(III)_oxide_crystal.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Gallium%28III%29_oxide_crystal.jpg/220px-Gallium%28III%29_oxide_crystal.jpg" decoding="async" width="220" height="231" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/74/Gallium%28III%29_oxide_crystal.jpg/330px-Gallium%28III%29_oxide_crystal.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/74/Gallium%28III%29_oxide_crystal.jpg/440px-Gallium%28III%29_oxide_crystal.jpg 2x" data-file-width="558" data-file-height="586" /></a> <div style="text-align:center;">β-Ga2O3 crystal</div> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><a href="/wiki/File:Kristallstruktur_Galliumoxid.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Kristallstruktur_Galliumoxid.png/220px-Kristallstruktur_Galliumoxid.png" decoding="async" width="220" height="115" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Kristallstruktur_Galliumoxid.png/330px-Kristallstruktur_Galliumoxid.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Kristallstruktur_Galliumoxid.png/440px-Kristallstruktur_Galliumoxid.png 2x" data-file-width="1001" data-file-height="521" /></a> <div style="text-align:center;">Crystal structure of β-Ga2O3</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;">Other names <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;">gallium trioxide, gallium sesquioxide</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Identifiers </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></div> </td> <td><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=12024-21-4">12024-21-4</a> <img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" />Y</li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=O%3D%5BGa%5DO%5BGa%5D%3DO">Interactive image</a></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.139522.html">139522</a> <img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" />Y</li></ul></div> </td></tr> <tr> <td><a href="/wiki/ECHA_InfoCard" class="mw-redirect" title="ECHA InfoCard">ECHA InfoCard</a> </td> <td><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.031.525">100.031.525</a> <a href="https://www.wikidata.org/wiki/Q419487#P2566" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" 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rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/5139834">5139834</a></li></ul></div> </td></tr> <tr> <td><a href="/wiki/RTECS" class="mw-redirect" title="RTECS">RTECS number</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>LW9650000</li></ul></div> </td></tr> <tr> <td><a href="/wiki/Unique_Ingredient_Identifier" title="Unique Ingredient Identifier">UNII</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a rel="nofollow" class="external text" href="https://precision.fda.gov/uniisearch/srs/unii/46F059V66A">46F059V66A</a> <img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" 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src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></li></ul></div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1S/2Ga.3O <img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" />Y</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: QZQVBEXLDFYHSR-UHFFFAOYSA-N <img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" />Y</div></div></li><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1/2Ga.3O/rGa2O3/c3-1-5-2-4</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: QZQVBEXLDFYHSR-OGCFUIRMAC</div></div></li></ul> </div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">O=[Ga]O[Ga]=O</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Properties </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></div> </td> <td>Ga2O3 </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td>187.444 g/mol </td></tr> <tr> <td>Appearance </td> <td>white crystalline powder </td></tr> <tr> <td><a href="/wiki/Melting_point" title="Melting point">Melting point</a> </td> <td>1,725 °C (3,137 °F; 1,998 K)<a href="#cite_note-1">[1]</a> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Aqueous_solution" title="Aqueous solution">Solubility in water</a></div> </td> <td>insoluble </td></tr> <tr> <td><a href="/wiki/Solubility" title="Solubility">Solubility</a> </td> <td>soluble in most <a href="/wiki/Acid" title="Acid">acids</a> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Structure<a href="#cite_note-strb-2">[2]</a><a href="#cite_note-3">[3]</a> </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Crystal_structure" title="Crystal structure">Crystal structure</a></div> </td> <td><a href="/wiki/Monoclinic" class="mw-redirect" title="Monoclinic">Monoclinic</a>, <a href="/wiki/Pearson_symbol" title="Pearson symbol">mS20</a>, <a href="/wiki/Space_group" title="Space group">space group</a> = C2/m, No. 12 </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Lattice_constant" title="Lattice constant">Lattice constant</a></div> </td> <td><div>a = 1.2232 nm, b = 0.3041 nm, c = 0.5801 nm</div><div>α = 90°, β = 103.73°, γ = 90°</div><div>β-phase</div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Formula_unit" title="Formula unit">Formula units</a> (Z)</div> </td> <td>4 </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Thermochemistry<a href="#cite_note-b92t-4">[4]</a> </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Heat_capacity" title="Heat capacity">Heat capacity</a> (C)</div> </td> <td>92.1 J/(mol·K) </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Standard_molar_entropy" title="Standard molar entropy">Std molar entropy</a> (S⦵298)</div> </td> <td>85.0 J/(mol·K) </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Standard_enthalpy_change_of_formation" class="mw-redirect" title="Standard enthalpy change of formation">Std enthalpy of formation</a> (ΔfH⦵298)</div> </td> <td>−1089.1 kJ/mol </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Gibbs_free_energy#Standard_energy_change_of_formation" title="Gibbs free energy">Gibbs free energy</a> (ΔfG⦵)</div> </td> <td>−998.3 kJ/mol </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Enthalpy_of_fusion" title="Enthalpy of fusion">Enthalpy of fusion</a> (ΔfH⦵fus)</div> </td> <td>100 kJ/mol </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; border:1px solid #a2a9b1;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Except where otherwise noted, data are given for materials in their <a href="/wiki/Standard_state" title="Standard state">standard state</a> (at 25 °C [77 °F], 100 kPa).</div> <div style="margin-top: 0.3em;"><div style="text-align:center;"><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/12px-Yes_check.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/18px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/24px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" />Y <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&rev1=476994683&page2=Gallium%28III%29+oxide">verify</a> (<a href="/wiki/Wikipedia:WikiProject_Chemicals/Chembox_validation" title="Wikipedia:WikiProject Chemicals/Chembox validation">what is</a> <img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" />Y<img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" />N ?) </div></div> <div style="margin-top: 0.3em; text-align: center;"><a href="/wiki/Wikipedia:Chemical_infobox#References" title="Wikipedia:Chemical infobox">Infobox references</a></div> </td></tr> </tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> Gallium(III) oxide is an <a href="/wiki/Inorganic_compound" title="Inorganic compound">inorganic compound</a> and <a href="/wiki/Wide-bandgap_semiconductor" title="Wide-bandgap semiconductor">ultra-wide-bandgap semiconductor</a> with the formula <a href="/wiki/Gallium" title="Gallium">Ga2</a><a href="/wiki/Trioxide" title="Trioxide">O3</a>. It is actively studied for applications in <a href="/wiki/Power_electronics" title="Power electronics">power electronics</a>, <a href="/wiki/Phosphor" title="Phosphor">phosphors</a>, and <a href="/wiki/Gas_detector" title="Gas detector">gas sensing</a>.<a href="#cite_note-:0-5">[5]</a><a href="#cite_note-:1-6">[6]</a><a href="#cite_note-:2-7">[7]</a> The compound has several <a href="/wiki/Polymorphism_(materials_science)" class="mw-redirect" title="Polymorphism (materials science)">polymorphs</a>, of which the <a href="/wiki/Monoclinic_crystal_system" title="Monoclinic crystal system">monoclinic</a> β-phase is the most stable. The β-phase’s <a href="/wiki/Bandgap" class="mw-redirect" title="Bandgap">bandgap</a> of 4.7–4.9 eV and large-area, native substrates make it a promising competitor to <a href="/wiki/Gallium_nitride" title="Gallium nitride">GaN</a> and <a href="/wiki/Silicon_carbide" title="Silicon carbide">SiC</a>-based power electronics applications and <a href="/wiki/Solar-blind_technology" title="Solar-blind technology">solar-blind</a> UV <a href="/wiki/Photodetector" title="Photodetector">photodetectors.</a><a href="#cite_note-:2-7">[7]</a><a href="#cite_note-:3-8">[8]</a> The orthorhombic ĸ-<a href="/wiki/Gallium" title="Gallium">Ga2</a><a href="/wiki/Trioxide" title="Trioxide">O3</a> is the second most stable polymorph. The ĸ-phase has shown instability of subsurface doping density under thermal exposure.<a href="#cite_note-9">[9]</a> Ga2O3 exhibits reduced thermal conductivity and electron mobility by an order of magnitude compared to <a href="/wiki/Gallium_nitride" title="Gallium nitride">GaN</a> and <a href="/wiki/Silicon_carbide" title="Silicon carbide">SiC</a>, but is predicted to be significantly more cost-effective due to being the only wide-bandgap material capable of being grown from melt.<a href="#cite_note-:2-7">[7]</a><a href="#cite_note-10">[10]</a><a href="#cite_note-11">[11]</a> β-Ga2O3 is thought to be <a href="/wiki/Radiation_hardening" title="Radiation hardening">radiation-hard</a>, which makes it promising for military and space applications.<a href="#cite_note-12">[12]</a><a href="#cite_note-13">[13]</a> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Preparation">Preparation</h2>[<a href="/w/index.php?title=Gallium(III)_oxide&action=edit&section=1" title="Edit section: Preparation">edit</a>]</div> Gallium trioxide is precipitated in hydrated form upon <a href="/wiki/Neutralization_(chemistry)" title="Neutralization (chemistry)">neutralization</a> of acidic or basic solution of gallium salt. Also, it is formed on heating gallium in air or by thermally decomposing gallium nitrate at 200–250 °C. Crystalline Ga2O3 can occur in five polymorphs, α, β, γ, δ, and ε. Of these polymorphs β-Ga2O3 is the most thermodynamically stable phase at standard temperature and pressure<a href="#cite_note-Bailar,_J_1973-14">[14]</a> while α-Ga2O3 is the most stable polymorph under high pressures.<a href="#cite_note-15">[15]</a> <ul><li>β-Ga2O3 <a href="/wiki/Epitaxial" class="mw-redirect" title="Epitaxial">epitaxial</a> thin films can be deposited <a href="/w/index.php?title=Heteroepitaxially&action=edit&redlink=1" class="new" title="Heteroepitaxially (page does not exist)">heteroepitaxially</a> on substrates such as sapphire, GaN, SiC, and Si, as well as <a href="/w/index.php?title=Homoepitaxially&action=edit&redlink=1" class="new" title="Homoepitaxially (page does not exist)">homoepitaxially</a>. For example, <a href="/wiki/Atomic_layer_deposition" title="Atomic layer deposition">ALD</a> on <a href="/wiki/Sapphire" title="Sapphire">sapphire</a> substrates at temperatures between 190 °C and 550 °C have been demonstrated.<a href="#cite_note-Rafie_Borujeny,_E._2020-16">[16]</a> High-quality β-Ga2O3 films have also been grown using techniques such as <a href="/wiki/Molecular-beam_epitaxy" title="Molecular-beam epitaxy">MBE</a>, <a href="/wiki/Hydride_vapour_phase_epitaxy" class="mw-redirect" title="Hydride vapour phase epitaxy">HVPE</a>, and <a href="/wiki/Metalorganic_vapour-phase_epitaxy" title="Metalorganic vapour-phase epitaxy">MOVPE</a>.<a href="#cite_note-17">[17]</a> HVPE is preferred for vertical <a href="/wiki/Power_semiconductor_device" title="Power semiconductor device">power semiconductor devices</a> due to its fast growth rate.<a href="#cite_note-18">[18]</a> β-Ga2O3 epitaxial films grown by MOVPE exhibit higher <a href="/wiki/Electron_mobility" title="Electron mobility">electron mobilities</a> and lower background <a href="/wiki/Charge_carrier_density" title="Charge carrier density">carrier concentrations</a> than those grown by other thin-film growth techniques.<a href="#cite_note-19">[19]</a><a href="#cite_note-20">[20]</a></li></ul> Bulk substrates of β-Ga2O3 can be produced, which is one of the major advantages of this material system. Bulk substrates can be produced in multiple orientations and by multiple techniques.<a href="#cite_note-21">[21]</a><a href="#cite_note-22">[22]</a><figure class="mw-default-size mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/File:Czorchralski_Gallium.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/71/Czorchralski_Gallium.png/220px-Czorchralski_Gallium.png" decoding="async" width="220" height="107" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/71/Czorchralski_Gallium.png/330px-Czorchralski_Gallium.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/71/Czorchralski_Gallium.png/440px-Czorchralski_Gallium.png 2x" data-file-width="968" data-file-height="470" /></a><figcaption>Diagram of how gallium oxide is grown by the Czochralski method</figcaption></figure> <ul><li>α-Ga2O3 can be obtained by heating β-Ga2O3 at 65 kbar and 1100 °C. It has a <a href="/wiki/Corundum_(structure)" title="Corundum (structure)">corundum structure</a>. The hydrated form can be prepared by decomposing precipitated and "aged" gallium hydroxide at 500 °C. <a href="/wiki/Epitaxial" class="mw-redirect" title="Epitaxial">Epitaxial</a> thin films of α-Ga2O3 deposited on c-plane (0001), m-plane (1010), or a-plane (1120) <a href="/wiki/Sapphire" title="Sapphire">sapphire</a> substrates have been demonstrated.</li> <li>γ-Ga2O3 is prepared by rapidly heating the hydroxide gel at 400–500 °C. A more crystalline form of this polymorph can be prepared directly from gallium metal by a solvothermal synthesis.<a href="#cite_note-23">[23]</a></li> <li>δ-Ga2O3 is obtained by heating Ga(NO3)3 at 250 °C.<a href="#cite_note-24">[24]</a></li> <li>ε-Ga2O3 is prepared by heating δ-Ga2O3 at 550 °C.<a href="#cite_note-Bailar,_J_1973-14">[14]</a> Thin films of ε-Ga2O3 are deposited by means of <a href="/wiki/Metalorganic_vapour-phase_epitaxy" title="Metalorganic vapour-phase epitaxy">metalorganic vapour-phase epitaxy</a> using <a href="/wiki/Trimethylgallium" title="Trimethylgallium">trimethylgallium</a> and water on sapphire substrates at temperatures between 550 and 650 °C<a href="#cite_note-25">[25]</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Reactions">Reactions</h2>[<a href="/w/index.php?title=Gallium(III)_oxide&action=edit&section=2" title="Edit section: Reactions">edit</a>]</div> Gallium(III) trioxide is <a href="/wiki/Amphoteric" class="mw-redirect" title="Amphoteric">amphoteric</a>.<a href="#cite_note-26">[26]</a> It reacts with <a href="/wiki/Alkali_metal" title="Alkali metal">alkali metal</a> oxides at high temperature to form, e.g., NaGaO2, and with Mg, Zn, Co, Ni, Cu oxides to form <a href="/wiki/Spinel" title="Spinel">spinels</a>, e.g., MgGa2O4.<a href="#cite_note-27">[27]</a> It dissolves in strong alkali to form a solution of the gallate ion, Ga(OH)− 4. With HCl, it forms <a href="/wiki/Gallium_trichloride" class="mw-redirect" title="Gallium trichloride">gallium trichloride</a> GaCl3.<a href="#cite_note-28">[28]</a> <dl><dd>Ga2O3 + 6 HCl → 2 GaCl3 + 3 H2O</dd></dl> It can be reduced to <a href="/wiki/Gallium_suboxide" class="mw-redirect" title="Gallium suboxide">gallium suboxide</a> (gallium(I) oxide) Ga2O by H2.<a href="#cite_note-29">[29]</a> or by reaction with gallium metal:<a href="#cite_note-30">[30]</a> <dl><dd>Ga2O3 + 2 H2 → Ga2O + 2 H2O</dd></dl> <dl><dd>Ga2O3 + 4 Ga → 3 Ga2O</dd></dl> <div class="mw-heading mw-heading2"><h2 id="Structure">Structure</h2>[<a href="/w/index.php?title=Gallium(III)_oxide&action=edit&section=3" title="Edit section: Structure">edit</a>]</div> β-Ga2O3, with a melting point of 1900 °C, is the most stable crystalline modification. The oxide ions are in a distorted cubic closest packing arrangement, and the gallium (III) ions occupy distorted tetrahedral and octahedral sites, with Ga–O bond distances of 1.83 and 2.00 Å respectively.<a href="#cite_note-31">[31]</a> α-Ga2O3 has the same structure (<a href="/wiki/Corundum" title="Corundum">corundum</a>) as <a href="/wiki/Aluminium_oxide" title="Aluminium oxide">α-Al2O3</a>, wherein Ga ions are 6-coordinate.<a href="#cite_note-stra-32">[32]</a><a href="#cite_note-r1-33">[33]</a> γ-Ga2O3 has a defect spinel structure similar to that of <a href="/wiki/Aluminium_oxide" title="Aluminium oxide">γ-Al2O3</a>.<a href="#cite_note-Greenwood-34">[34]</a> ε-Ga2O3 films deposited by <a href="/wiki/Metalorganic_vapour-phase_epitaxy" title="Metalorganic vapour-phase epitaxy">metalorganic vapour-phase epitaxy</a> show a columnar structure with <a href="/wiki/Orthorhombic_crystal_system" title="Orthorhombic crystal system">orthorhombic crystal symmetry</a>. Macroscopically, this structure is seen by <a href="/wiki/X-ray_crystallography" title="X-ray crystallography">X-ray crystallography</a> as <a href="/wiki/Hexagonal_crystal_family#Hexagonal_close_packed" title="Hexagonal crystal family">hexagonal close packed</a>.<a href="#cite_note-35">[35]</a> κ-Ga2O3 has an <a href="/wiki/Orthorhombic_crystal_system" title="Orthorhombic crystal system">orthorhombic</a> structure and forms with 120° twin domains, resulting in hexagonal symmetry which is often identified as ε-Ga2O3.<a href="#cite_note-36">[36]</a> <table class="wikitable"> <caption> </caption> <tbody><tr> <th>Phase of Ga2O3 </th> <th>Figure </th> <th>Crystal structure name </th></tr> <tr> <td>α </td> <td><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Alpha-ga2o3-crystal_structure.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Alpha-ga2o3-crystal_structure.png/220px-Alpha-ga2o3-crystal_structure.png" decoding="async" width="220" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Alpha-ga2o3-crystal_structure.png/330px-Alpha-ga2o3-crystal_structure.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Alpha-ga2o3-crystal_structure.png/440px-Alpha-ga2o3-crystal_structure.png 2x" data-file-width="633" data-file-height="459" /></a><figcaption>Crystal structure of α-Ga2O3<a href="#cite_note-r1-33">[33]</a></figcaption></figure> </td> <td>Rhombohedral (Corundum) </td></tr> <tr> <td>β </td> <td><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kristallstruktur_Galliumoxid.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Kristallstruktur_Galliumoxid.png/220px-Kristallstruktur_Galliumoxid.png" decoding="async" width="220" height="115" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Kristallstruktur_Galliumoxid.png/330px-Kristallstruktur_Galliumoxid.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Kristallstruktur_Galliumoxid.png/440px-Kristallstruktur_Galliumoxid.png 2x" data-file-width="1001" data-file-height="521" /></a><figcaption>Crystal structure of β-Ga2O3</figcaption></figure> </td> <td>Monoclinic </td></tr> <tr> <td>γ </td> <td><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Gamma-ga2o3-crystal_structure.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Gamma-ga2o3-crystal_structure.png/220px-Gamma-ga2o3-crystal_structure.png" decoding="async" width="220" height="184" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Gamma-ga2o3-crystal_structure.png/330px-Gamma-ga2o3-crystal_structure.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Gamma-ga2o3-crystal_structure.png/440px-Gamma-ga2o3-crystal_structure.png 2x" data-file-width="730" data-file-height="612" /></a><figcaption>Crystal structure of γ-Ga2O3<a href="#cite_note-37">[37]</a></figcaption></figure> </td> <td>Cubic defect spinel </td></tr> <tr> <td>δ </td> <td><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Delta-ga2o3-crystal_structure.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Delta-ga2o3-crystal_structure.png/220px-Delta-ga2o3-crystal_structure.png" decoding="async" width="220" height="195" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Delta-ga2o3-crystal_structure.png/330px-Delta-ga2o3-crystal_structure.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Delta-ga2o3-crystal_structure.png/440px-Delta-ga2o3-crystal_structure.png 2x" data-file-width="774" data-file-height="687" /></a><figcaption>Crystal structure of δ-Ga2O3<a href="#cite_note-38">[38]</a><a href="#cite_note-39">[39]</a></figcaption></figure> </td> <td>Body-centered cubic bixbyite </td></tr> <tr> <td>ε </td> <td><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Epsilon-ga2o3-crystal_structure.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Epsilon-ga2o3-crystal_structure.png/220px-Epsilon-ga2o3-crystal_structure.png" decoding="async" width="220" height="136" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Epsilon-ga2o3-crystal_structure.png/330px-Epsilon-ga2o3-crystal_structure.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/61/Epsilon-ga2o3-crystal_structure.png/440px-Epsilon-ga2o3-crystal_structure.png 2x" data-file-width="554" data-file-height="343" /></a><figcaption>Crystal structure of ε-Ga2O3<a href="#cite_note-40">[40]</a></figcaption></figure> </td> <td>Hexagonal </td></tr> <tr> <td>κ (subgroup of ε phase)<a href="#cite_note-41">[41]</a> </td> <td><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kappa-ga2o3-crystal_structure.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Kappa-ga2o3-crystal_structure.png/220px-Kappa-ga2o3-crystal_structure.png" decoding="async" width="220" height="251" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/Kappa-ga2o3-crystal_structure.png/330px-Kappa-ga2o3-crystal_structure.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/81/Kappa-ga2o3-crystal_structure.png/440px-Kappa-ga2o3-crystal_structure.png 2x" data-file-width="561" data-file-height="640" /></a><figcaption>Crystal structure of κ-Ga2O3<a href="#cite_note-42">[42]</a></figcaption></figure> </td> <td>Orthorhombic </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Applications">Applications</h2>[<a href="/w/index.php?title=Gallium(III)_oxide&action=edit&section=4" title="Edit section: Applications">edit</a>]</div> Gallium(III) oxide has been studied for usage as passive components in lasers,<a href="#cite_note-43">[43]</a> phosphors,<a href="#cite_note-:0-5">[5]</a> and luminescent materials<a href="#cite_note-44">[44]</a> as well as active components for gas sensors,<a href="#cite_note-:1-6">[6]</a> power diodes,<a href="#cite_note-:4-45">[45]</a> and power transistors.<a href="#cite_note-Xia_1052–1055-46">[46]</a><a href="#cite_note-:5-47">[47]</a> Since the first publication in January 2012 by the <a href="/wiki/National_Institute_of_Information_and_Communications_Technology" title="National Institute of Information and Communications Technology">National Institute of Information and Communications Technology</a>, in collaboration with Tamura Co., Ltd. and Koha Co., Ltd. of the world's first single-crystal gallium oxide (Ga2O3) field-effect transistors, the predominant interest in gallium oxide is in the β-polymorph for <a href="/wiki/Power_electronics" title="Power electronics">power electronics</a>.<a href="#cite_note-48">[48]</a><a href="#cite_note-:2-7">[7]</a> Monoclinic β-Ga2O3 has shown increasing performance since 2012 approaching state of the art GaN and SiC power devices.<a href="#cite_note-:2-7">[7]</a> β-Ga2O3 <a href="/wiki/Schottky_diode" title="Schottky diode">Schottky diodes</a> have exceeded <a href="/wiki/Breakdown_voltage" title="Breakdown voltage">breakdown voltages</a> of 2400 V.<a href="#cite_note-:4-45">[45]</a> β-Ga2O3/<a href="/wiki/Nickel(II)_oxide" title="Nickel(II) oxide">NiOx</a> <a href="/wiki/P%E2%80%93n_diode" title="P–n diode">p–n diodes</a> have exhibited breakdown voltages over 1200 V.<a href="#cite_note-49">[49]</a> β-Ga2O3 <a href="/wiki/MOSFET" title="MOSFET">MOSFETs</a> have individually achieved figures of merits of  fT of 27 GHz,<a href="#cite_note-Xia_1052–1055-46">[46]</a> fMAX of 48 GHz,<a href="#cite_note-:5-47">[47]</a> and 5.4 MV/cm average breakdown field.<a href="#cite_note-:5-47">[47]</a> This field exceeds that which is possible in SiC or GaN. ε-Ga2O3 thin films deposited on sapphire show potential applications as <a href="/wiki/Solar-blind_technology" title="Solar-blind technology">solar-blind</a> UV <a href="/wiki/Photodetector" title="Photodetector">photodetector</a>.<a href="#cite_note-:3-8">[8]</a> <div class="mw-heading mw-heading2"><h2 id="References">References</h2>[<a href="/w/index.php?title=Gallium(III)_oxide&action=edit&section=5" title="Edit section: References">edit</a>]</div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">^</a> Patnaik, Pradyot (2002) Handbook of Inorganic Chemicals. McGraw-Hill. <style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-07-049439-8" title="Special:BookSources/0-07-049439-8">0-07-049439-8</a>. </li> <li id="cite_note-strb-2"><a href="#cite_ref-strb_2-0">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDohyGavarri1983" class="citation journal cs1 cs1-prop-foreign-lang-source">Dohy, D.; Gavarri, J. 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title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=IEEE+Electron+Device+Letters&rft.atitle=Demonstration+of+the+p-NiOx%2Fn-Ga%3Csub%3E2%3C%2Fsub%3EO%3Csub%3E3%3C%2Fsub%3E+Heterojunction+Gate+FETs+and+Diodes+With+BV2%2FRon%2Csp+Figures+of+Merit+of+0.39+GW%2Fcm%3Csup%3E2%3C%2Fsup%3E+and+1.38+GW%2Fcm%3Csup%3E2%3C%2Fsup%3E&rft.volume=42&rft.issue=4&rft.pages=485-488&rft.date=2021-04&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A232372680%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1109%2FLED.2021.3062851&rft_id=info%3Abibcode%2F2021IEDL...42..485W&rft.aulast=Wang&rft.aufirst=Chenlu&rft.au=Gong%2C+Hehe&rft.au=Lei%2C+Weina&rft.au=Cai%2C+Yuncong&rft.au=Hu%2C+Zhuangzhuang&rft.au=Xu%2C+Shengrui&rft.au=Liu%2C+Zhihong&rft.au=Feng%2C+Qian&rft.au=Zhou%2C+Hong&rft.au=Ye%2C+Jiandong&rft.au=Zhang%2C+Jincheng&rft.au=Zhang%2C+Rong&rft.au=Hao%2C+Yue&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGallium%28III%29+oxide" class="Z3988"> </li> 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class="navbox-group" style="width:1%">Gallium(−V)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pentamagnesium_digallide" title="Pentamagnesium digallide">Mg5Ga2</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Gallium(I)</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gallium(I)_oxide" title="Gallium(I) oxide">Ga2O</a></li> <li><a href="/wiki/Gallium_halides#Monohalides" title="Gallium halides">GaCl</a></li> <li><a href="/wiki/Gallium_halides#Monohalides" title="Gallium halides">GaBr</a></li> <li><a href="/wiki/Gallium_monoiodide" title="Gallium monoiodide">GaI</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Gallium(II)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gallium(II)_sulfide" title="Gallium(II) sulfide">GaS</a></li> <li><a href="/wiki/Gallium(II)_selenide" title="Gallium(II) selenide">GaSe</a></li> <li><a href="/wiki/Gallium(II)_telluride" title="Gallium(II) telluride">GaTe</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Gallium(I,III)</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gallium_halides#Intermediate_halides" title="Gallium halides">GaCl2</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Gallium(III)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gallium_arsenide" title="Gallium arsenide">GaAs</a></li> <li><a href="/wiki/Gallane" title="Gallane">GaH3</a></li> <li><a href="/wiki/Digallane" title="Digallane">Ga2H6</a></li> <li><a href="/wiki/Gallium(III)_bromide" title="Gallium(III) bromide">GaBr3</a></li> <li><a href="/wiki/Gallium_trichloride" class="mw-redirect" title="Gallium trichloride">GaCl3</a></li> <li><a href="/wiki/Gallium(III)_fluoride" title="Gallium(III) fluoride">GaF3</a></li> <li><a href="/wiki/Gallium(III)_iodide" title="Gallium(III) iodide">GaI3</a></li> <li><a href="/wiki/Gallium_nitride" title="Gallium nitride">GaN</a></li> <li><a href="/wiki/Gallium(III)_hydroxide" title="Gallium(III) hydroxide">Ga(OH)3</a></li> <li><a href="/wiki/Gallium(III)_cyanide" title="Gallium(III) cyanide">Ga(CN)3</a></li> <li><a href="/wiki/Gallium_nitrate" title="Gallium nitrate">Ga(NO3)3</a></li> <li><a href="/wiki/Gallium(III)_sulfate" title="Gallium(III) sulfate">Ga2(SO4)3</a></li> <li><a href="/wiki/Gallium_phosphate" title="Gallium phosphate">GaPO4</a></li> <li><a href="/wiki/Gallium_phosphide" title="Gallium phosphide">GaP</a></li> <li><a href="/wiki/Gallium_antimonide" title="Gallium antimonide">GaSb</a></li> <li><a class="mw-selflink selflink">Ga2O3</a></li> <li><a href="/wiki/Gallium(III)_sulfide" title="Gallium(III) sulfide">Ga2S3</a></li> <li><a href="/wiki/Gallium(III)_selenide" title="Gallium(III) selenide">Ga2Se3</a></li> <li><a href="/wiki/Gallium_acetate" title="Gallium acetate">Ga(CH3COO)3</a></li> <li><a href="/wiki/Gallium(III)_telluride" title="Gallium(III) telluride">Ga2Te3</a></li></ul></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Organogallium(III)_compounds" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Organogallium_chemistry" title="Organogallium chemistry">Organogallium(III) compounds</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <li><a href="/wiki/Gallium_acetylacetonate" title="Gallium acetylacetonate">Ga(C5H7O2)3</a></li> <li><a href="/wiki/Trimethylgallium" title="Trimethylgallium">Ga(CH3)3</a></li> <li><a href="/wiki/Triethylgallium" title="Triethylgallium">Ga(C2H5)3</a></li> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Oxides" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Oxides" title="Template:Oxides"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Oxides" title="Template talk:Oxides"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Oxides" title="Special:EditPage/Template:Oxides"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Oxides" style="font-size:114%;margin:0 4em"><a href="/wiki/Oxide" title="Oxide">Oxides</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Mixed oxidation states</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Antimony_tetroxide" title="Antimony tetroxide">Antimony tetroxide</a> (<a href="/wiki/Antimony" title="Antimony">Sb</a>2O4)</li> <li><a href="/wiki/Boron_suboxide" title="Boron suboxide">Boron suboxide</a> (<a href="/wiki/Boron" title="Boron">B</a>12O2)</li> <li><a href="/wiki/Carbon_suboxide" title="Carbon suboxide">Carbon suboxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a>3O2)</li> <li><a href="/wiki/Chlorine_perchlorate" title="Chlorine perchlorate">Chlorine perchlorate</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a>2O4)</li> <li><a href="/wiki/Chloryl_perchlorate" class="mw-redirect" title="Chloryl perchlorate">Chloryl perchlorate</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a>2O6)</li> <li><a href="/wiki/Cobalt(II,III)_oxide" title="Cobalt(II,III) oxide">Cobalt(II,III) oxide</a> (<a href="/wiki/Cobalt" title="Cobalt">Co</a>3O4)</li> <li><a href="/wiki/Dichlorine_pentoxide" title="Dichlorine pentoxide">Dichlorine pentoxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a>2O5)</li> <li><a href="/wiki/Iron(II,III)_oxide" title="Iron(II,III) oxide">Iron(II,III) oxide</a> (<a href="/wiki/Iron" title="Iron">Fe</a>3O4)</li> <li><a href="/wiki/Lead(II,IV)_oxide" title="Lead(II,IV) oxide">Lead(II,IV) oxide</a> (<a href="/wiki/Lead" title="Lead">Pb</a>3O4)</li> <li><a href="/wiki/Manganese(II,III)_oxide" title="Manganese(II,III) oxide">Manganese(II,III) oxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a>3O4)</li> <li><a href="/wiki/Mellitic_anhydride" title="Mellitic anhydride">Mellitic anhydride</a> (<a href="/wiki/Carbon" title="Carbon">C</a>12O9)</li> <li><a href="/wiki/Praseodymium(III,IV)_oxide" title="Praseodymium(III,IV) oxide">Praseodymium(III,IV) oxide</a> (<a href="/wiki/Praseodymium" title="Praseodymium">Pr</a>6O11)</li> <li><a href="/wiki/Silver(I,III)_oxide" title="Silver(I,III) oxide">Silver(I,III) oxide</a> (<a href="/wiki/Silver" title="Silver">Ag</a>2O2)</li> <li><a href="/wiki/Terbium(III,IV)_oxide" title="Terbium(III,IV) oxide">Terbium(III,IV) oxide</a> (<a href="/wiki/Terbium" title="Terbium">Tb</a>4O7)</li> <li><a href="/wiki/Tribromine_octoxide" title="Tribromine octoxide">Tribromine octoxide</a> (<a href="/wiki/Bromine" title="Bromine">Br</a>3O8)</li> <li><a href="/wiki/Triuranium_octoxide" title="Triuranium octoxide">Triuranium octoxide</a> (<a href="/wiki/Uranium" title="Uranium">U</a>3O8)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+1 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aluminium(I)_oxide" title="Aluminium(I) oxide">Aluminium(I) oxide</a> (<a href="/wiki/Aluminium" title="Aluminium">Al</a>2O)</li> <li><a href="/wiki/Copper(I)_oxide" title="Copper(I) oxide">Copper(I) oxide</a> (<a href="/wiki/Copper" title="Copper">Cu</a>2O)</li> <li><a href="/wiki/Caesium_monoxide" title="Caesium monoxide">Caesium monoxide</a> (<a href="/wiki/Caesium" title="Caesium">Cs</a>2O)</li> <li><a href="/wiki/Dibromine_monoxide" title="Dibromine monoxide">Dibromine monoxide</a> (<a href="/wiki/Bromine" title="Bromine">Br</a>2O)</li> <li><a href="/wiki/Dicarbon_monoxide" title="Dicarbon monoxide">Dicarbon monoxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a>2O)</li> <li><a href="/wiki/Dichlorine_monoxide" title="Dichlorine monoxide">Dichlorine monoxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a>2O)</li> <li><a href="/wiki/Gallium(I)_oxide" title="Gallium(I) oxide">Gallium(I) oxide</a> (<a href="/wiki/Gallium" title="Gallium">Ga</a>2O)</li> <li><a href="/wiki/Iodine(I)_oxide" class="mw-redirect" title="Iodine(I) oxide">Iodine(I) oxide</a> (<a href="/wiki/Iodine" title="Iodine">I</a>2O)</li> <li><a href="/wiki/Lithium_oxide" title="Lithium oxide">Lithium oxide</a> (<a href="/wiki/Lithium" title="Lithium">Li</a>2O)</li> <li><a href="/wiki/Mercury(I)_oxide" title="Mercury(I) oxide">Mercury(I) oxide</a> (<a href="/wiki/Mercury_(element)" title="Mercury (element)">Hg</a>2O)</li> <li><a href="/wiki/Nitrous_oxide" title="Nitrous oxide">Nitrous oxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a>2O)</li> <li><a href="/wiki/Potassium_oxide" title="Potassium oxide">Potassium oxide</a> (<a href="/wiki/Potassium" title="Potassium">K</a>2O)</li> <li><a href="/wiki/Rubidium_oxide" title="Rubidium oxide">Rubidium oxide</a> (<a href="/wiki/Rubidium" title="Rubidium">Rb</a>2O)</li> <li><a href="/wiki/Silver_oxide" title="Silver oxide">Silver oxide</a> (<a href="/wiki/Silver" title="Silver">Ag</a>2O)</li> <li><a href="/wiki/Thallium(I)_oxide" title="Thallium(I) oxide">Thallium(I) oxide</a> (<a href="/wiki/Thallium" title="Thallium">Tl</a>2O)</li> <li><a href="/wiki/Sodium_oxide" title="Sodium oxide">Sodium oxide</a> (<a href="/wiki/Sodium" title="Sodium">Na</a>2O)</li> <li><a href="/wiki/Properties_of_water" title="Properties of water">Water (hydrogen oxide)</a> (<a href="/wiki/Hydrogen" title="Hydrogen">H</a>2O)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+2 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aluminium(II)_oxide" title="Aluminium(II) oxide">Aluminium(II) oxide</a> (<a href="/wiki/Aluminium" title="Aluminium">Al</a>O)</li> <li><a href="/wiki/Barium_oxide" title="Barium oxide">Barium oxide</a> (<a href="/wiki/Barium" title="Barium">Ba</a>O)</li> <li><a href="/wiki/Berkelium_monoxide" class="mw-redirect" title="Berkelium monoxide">Berkelium monoxide</a> (<a href="/wiki/Berkelium" title="Berkelium">Bk</a>O)</li> <li><a href="/wiki/Beryllium_oxide" title="Beryllium oxide">Beryllium oxide</a> (<a href="/wiki/Beryllium" title="Beryllium">Be</a>O)</li> <li><a href="/wiki/Boron_monoxide" title="Boron monoxide">Boron monoxide</a> (<a href="/wiki/Boron" title="Boron">B</a>O)</li> <li><a href="/wiki/Bromine_monoxide" class="mw-redirect" title="Bromine monoxide">Bromine monoxide</a> (<a href="/wiki/Bromine" title="Bromine">Br</a>O)</li> <li><a href="/wiki/Cadmium_oxide" title="Cadmium oxide">Cadmium oxide</a> (<a href="/wiki/Cadmium" title="Cadmium">Cd</a>O)</li> <li><a href="/wiki/Calcium_oxide" title="Calcium oxide">Calcium oxide</a> (<a href="/wiki/Calcium" title="Calcium">Ca</a>O)</li> <li><a href="/wiki/Carbon_monoxide" title="Carbon monoxide">Carbon monoxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a>O)</li> <li><a href="/wiki/Chlorine_monoxide" title="Chlorine monoxide">Chlorine monoxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a>O)</li> <li><a href="/wiki/Chromium(II)_oxide" title="Chromium(II) oxide">Chromium(II) oxide</a> (<a href="/wiki/Chromium" title="Chromium">Cr</a>O)</li> <li><a href="/wiki/Cobalt(II)_oxide" title="Cobalt(II) oxide">Cobalt(II) oxide</a> (<a href="/wiki/Cobalt" title="Cobalt">Co</a>O)</li> <li><a href="/wiki/Copper(II)_oxide" title="Copper(II) oxide">Copper(II) oxide</a> (<a href="/wiki/Copper" title="Copper">Cu</a>O)</li> <li><a href="/wiki/Dinitrogen_dioxide" title="Dinitrogen dioxide">Dinitrogen dioxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a>2O2)</li> <li><a href="/wiki/Europium(II)_oxide" title="Europium(II) oxide">Europium(II) oxide</a> (<a href="/wiki/Europium" title="Europium">Eu</a>O)</li> <li><a href="/wiki/Germanium_monoxide" title="Germanium monoxide">Germanium monoxide</a> (<a href="/wiki/Germanium" title="Germanium">Ge</a>O)</li> <li><a href="/wiki/Iron(II)_oxide" title="Iron(II) oxide">Iron(II) oxide</a> (<a href="/wiki/Iron" title="Iron">Fe</a>O)</li> <li><a href="/wiki/Iodine_monoxide" title="Iodine monoxide">Iodine monoxide</a> (<a href="/wiki/Iodine" title="Iodine">I</a>O)</li> <li><a href="/wiki/Lead(II)_oxide" title="Lead(II) oxide">Lead(II) oxide</a> (<a href="/wiki/Lead" title="Lead">Pb</a>O)</li> <li><a href="/wiki/Magnesium_oxide" title="Magnesium oxide">Magnesium oxide</a> (<a href="/wiki/Magnesium" title="Magnesium">Mg</a>O)</li> <li><a href="/wiki/Manganese(II)_oxide" title="Manganese(II) oxide">Manganese(II) oxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a>O)</li> <li><a href="/wiki/Mercury(II)_oxide" title="Mercury(II) oxide">Mercury(II) oxide</a> (<a href="/wiki/Mercury_(element)" title="Mercury (element)">Hg</a>O)</li> <li><a href="/wiki/Nickel(II)_oxide" title="Nickel(II) oxide">Nickel(II) oxide</a> (<a href="/wiki/Nickel" title="Nickel">Ni</a>O)</li> <li><a href="/wiki/Nitric_oxide" title="Nitric oxide">Nitric oxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a>O)</li> <li><a href="/wiki/Niobium_monoxide" title="Niobium monoxide">Niobium monoxide</a> (<a href="/wiki/Niobium" title="Niobium">Nb</a>O)</li> <li><a href="/wiki/Palladium(II)_oxide" title="Palladium(II) oxide">Palladium(II) oxide</a> (<a href="/wiki/Palladium" title="Palladium">Pd</a>O)</li> <li><a href="/wiki/Phosphorus_monoxide" title="Phosphorus monoxide">Phosphorus monoxide</a> (<a href="/wiki/Phosphorus" title="Phosphorus">P</a>O)</li> <li><a href="/wiki/Polonium_monoxide" title="Polonium monoxide">Polonium monoxide</a> (<a href="/wiki/Polonium" title="Polonium">Po</a>O)</li> <li><a href="/wiki/Protactinium_monoxide" title="Protactinium monoxide">Protactinium monoxide</a> (<a href="/wiki/Protactinium" title="Protactinium">Pa</a>O)</li> <li><a href="/wiki/Radium_oxide" title="Radium oxide">Radium oxide</a> (<a href="/wiki/Radium" title="Radium">Ra</a>O)</li> <li><a href="/wiki/Silicon_monoxide" title="Silicon monoxide">Silicon monoxide</a> (<a href="/wiki/Silicon" title="Silicon">Si</a>O)</li> <li><a href="/wiki/Strontium_oxide" title="Strontium oxide">Strontium oxide</a> (<a href="/wiki/Strontium" title="Strontium">Sr</a>O)</li> <li><a href="/wiki/Sulfur_monoxide" title="Sulfur monoxide">Sulfur monoxide</a> (<a href="/wiki/Sulfur" title="Sulfur">S</a>O)</li> <li><a href="/wiki/Disulfur_dioxide" title="Disulfur dioxide">Disulfur dioxide</a> (<a href="/wiki/Sulfur" title="Sulfur">S</a>2O2)</li> <li><a href="/wiki/Thorium_monoxide" title="Thorium monoxide">Thorium monoxide</a> (<a href="/wiki/Thorium" title="Thorium">Th</a>O)</li> <li><a href="/wiki/Tin(II)_oxide" title="Tin(II) oxide">Tin(II) oxide</a> (<a href="/wiki/Tin" title="Tin">Sn</a>O)</li> <li><a href="/wiki/Titanium(II)_oxide" title="Titanium(II) oxide">Titanium(II) oxide</a> (<a href="/wiki/Titanium" title="Titanium">Ti</a>O)</li> <li><a href="/wiki/Vanadium(II)_oxide" title="Vanadium(II) oxide">Vanadium(II) oxide</a> (<a href="/wiki/Vanadium" title="Vanadium">V</a>O)</li> <li><a href="/wiki/Yttrium(II)_oxide" title="Yttrium(II) oxide">Yttrium(II) oxide</a> (<a href="/wiki/Yttrium" title="Yttrium">Y</a>O)</li> <li><a href="/wiki/Zirconium_monoxide" class="mw-redirect" title="Zirconium monoxide">Zirconium monoxide</a> (<a href="/wiki/Zirconium" title="Zirconium">Zr</a>O)</li> <li><a href="/wiki/Zinc_oxide" title="Zinc oxide">Zinc oxide</a> (<a href="/wiki/Zinc" title="Zinc">Zn</a>O)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+3 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Actinium(III)_oxide" title="Actinium(III) oxide">Actinium(III) oxide</a> (<a href="/wiki/Actinium" title="Actinium">Ac</a>2O3)</li> <li><a href="/wiki/Aluminium_oxide" title="Aluminium oxide">Aluminium oxide</a> (<a href="/wiki/Aluminium" title="Aluminium">Al</a>2O3)</li> <li><a href="/wiki/Americium(III)_oxide" title="Americium(III) oxide">Americium(III) oxide</a> (<a href="/wiki/Americium" title="Americium">Am</a>2O3)</li> <li><a href="/wiki/Antimony_trioxide" title="Antimony trioxide">Antimony trioxide</a> (<a href="/wiki/Antimony" title="Antimony">Sb</a>2O3)</li> <li><a href="/wiki/Arsenic_trioxide" title="Arsenic trioxide">Arsenic trioxide</a> (<a href="/wiki/Arsenic" title="Arsenic">As</a>2O3)</li> <li><a href="/wiki/Berkelium(III)_oxide" title="Berkelium(III) oxide">Berkelium(III) oxide</a> (<a href="/wiki/Berkelium" title="Berkelium">Bk</a>2O3)</li> <li><a href="/wiki/Bismuth(III)_oxide" title="Bismuth(III) oxide">Bismuth(III) oxide</a> (<a href="/wiki/Bismuth" title="Bismuth">Bi</a>2O3)</li> <li><a href="/wiki/Boron_trioxide" title="Boron trioxide">Boron trioxide</a> (<a href="/wiki/Boron" title="Boron">B</a>2O3)</li> <li><a href="/wiki/Caesium_sesquioxide" title="Caesium sesquioxide">Caesium sesquioxide</a> (<a href="/wiki/Caesium" title="Caesium">Cs</a>2O3)</li> <li><a href="/wiki/Californium(III)_oxide" title="Californium(III) oxide">Californium(III) oxide</a> (<a href="/wiki/Californium" title="Californium">Cf</a>2O3)</li> <li><a href="/wiki/Cerium(III)_oxide" title="Cerium(III) oxide">Cerium(III) oxide</a> (<a href="/wiki/Cerium" title="Cerium">Ce</a>2O3)</li> <li><a href="/wiki/Chromium(III)_oxide" title="Chromium(III) oxide">Chromium(III) oxide</a> (<a href="/wiki/Chromium" title="Chromium">Cr</a>2O3)</li> <li><a href="/wiki/Cobalt(III)_oxide" title="Cobalt(III) oxide">Cobalt(III) oxide</a> (<a href="/wiki/Cobalt" title="Cobalt">Co</a>2O3)</li> <li><a href="/wiki/Dinitrogen_trioxide" title="Dinitrogen trioxide">Dinitrogen trioxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a>2O3)</li> <li><a href="/wiki/Dysprosium(III)_oxide" title="Dysprosium(III) oxide">Dysprosium(III) oxide</a> (<a href="/wiki/Dysprosium" title="Dysprosium">Dy</a>2O3)</li> <li><a href="/wiki/Einsteinium(III)_oxide" title="Einsteinium(III) oxide">Einsteinium(III) oxide</a> (<a href="/wiki/Einsteinium" title="Einsteinium">Es</a>2O3)</li> <li><a href="/wiki/Erbium(III)_oxide" title="Erbium(III) oxide">Erbium(III) oxide</a> (<a href="/wiki/Erbium" title="Erbium">Er</a>2O3)</li> <li><a href="/wiki/Europium(III)_oxide" title="Europium(III) oxide">Europium(III) oxide</a> (<a href="/wiki/Europium" title="Europium">Eu</a>2O3)</li> <li><a href="/wiki/Gadolinium(III)_oxide" title="Gadolinium(III) oxide">Gadolinium(III) oxide</a> (<a href="/wiki/Gadolinium" title="Gadolinium">Gd</a>2O3)</li> <li><a class="mw-selflink selflink">Gallium(III) oxide</a> (<a href="/wiki/Gallium" title="Gallium">Ga</a>2O3)</li> <li><a href="/wiki/Gold(III)_oxide" title="Gold(III) oxide">Gold(III) oxide</a> (<a href="/wiki/Gold" title="Gold">Au</a>2O3)</li> <li><a href="/wiki/Holmium(III)_oxide" title="Holmium(III) oxide">Holmium(III) oxide</a> (<a href="/wiki/Holmium" title="Holmium">Ho</a>2O3)</li> <li><a href="/wiki/Indium(III)_oxide" title="Indium(III) oxide">Indium(III) oxide</a> (<a href="/wiki/Indium" title="Indium">In</a>2O3)</li> <li><a href="/wiki/Iron(III)_oxide" title="Iron(III) oxide">Iron(III) oxide</a> (<a href="/wiki/Iron" title="Iron">Fe</a>2O3)</li> <li><a href="/wiki/Lanthanum_oxide" title="Lanthanum oxide">Lanthanum oxide</a> (<a href="/wiki/Lanthanum" title="Lanthanum">La</a>2O3)</li> <li><a href="/wiki/Lutetium(III)_oxide" title="Lutetium(III) oxide">Lutetium(III) oxide</a> (<a href="/wiki/Lutetium" title="Lutetium">Lu</a>2O3)</li> <li><a href="/wiki/Manganese(III)_oxide" title="Manganese(III) oxide">Manganese(III) oxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a>2O3)</li> <li><a href="/wiki/Neodymium(III)_oxide" title="Neodymium(III) oxide">Neodymium(III) oxide</a> (<a href="/wiki/Neodymium" title="Neodymium">Nd</a>2O3)</li> <li><a href="/wiki/Nickel(III)_oxide" title="Nickel(III) oxide">Nickel(III) oxide</a> (<a href="/wiki/Nickel" title="Nickel">Ni</a>2O3)</li> <li><a href="/wiki/Phosphorus_trioxide" title="Phosphorus trioxide">Phosphorus trioxide</a> (<a href="/wiki/Phosphorus" title="Phosphorus">P</a>4O6)</li> <li><a href="/wiki/Praseodymium(III)_oxide" title="Praseodymium(III) oxide">Praseodymium(III) oxide</a> (<a href="/wiki/Praseodymium" title="Praseodymium">Pr</a>2O3)</li> <li><a href="/wiki/Promethium(III)_oxide" title="Promethium(III) oxide">Promethium(III) oxide</a> (<a href="/wiki/Promethium" title="Promethium">Pm</a>2O3)</li> <li><a href="/wiki/Rhodium(III)_oxide" title="Rhodium(III) oxide">Rhodium(III) oxide</a> (<a href="/wiki/Rhodium" title="Rhodium">Rh</a>2O3)</li> <li><a href="/wiki/Samarium(III)_oxide" title="Samarium(III) oxide">Samarium(III) oxide</a> (<a href="/wiki/Samarium" title="Samarium">Sm</a>2O3)</li> <li><a href="/wiki/Scandium_oxide" title="Scandium oxide">Scandium oxide</a> (<a href="/wiki/Scandium" title="Scandium">Sc</a>2O3)</li> <li><a href="/wiki/Terbium(III)_oxide" title="Terbium(III) oxide">Terbium(III) oxide</a> (<a href="/wiki/Terbium" title="Terbium">Tb</a>2O3)</li> <li><a href="/wiki/Thallium(III)_oxide" title="Thallium(III) oxide">Thallium(III) oxide</a> (<a href="/wiki/Thallium" title="Thallium">Tl</a>2O3)</li> <li><a href="/wiki/Thulium(III)_oxide" title="Thulium(III) oxide">Thulium(III) oxide</a> (<a href="/wiki/Thulium" title="Thulium">Tm</a>2O3)</li> <li><a href="/wiki/Titanium(III)_oxide" title="Titanium(III) oxide">Titanium(III) oxide</a> (<a href="/wiki/Titanium" title="Titanium">Ti</a>2O3)</li> <li><a href="/wiki/Tungsten(III)_oxide" title="Tungsten(III) oxide">Tungsten(III) oxide</a> (<a href="/wiki/Tungsten" title="Tungsten">W</a>2O3)</li> <li><a href="/wiki/Vanadium(III)_oxide" title="Vanadium(III) oxide">Vanadium(III) oxide</a> (<a href="/wiki/Vanadium" title="Vanadium">V</a>2O3)</li> <li><a href="/wiki/Ytterbium(III)_oxide" title="Ytterbium(III) oxide">Ytterbium(III) oxide</a> (<a href="/wiki/Ytterbium" title="Ytterbium">Yb</a>2O3)</li> <li><a href="/wiki/Yttrium(III)_oxide" title="Yttrium(III) oxide">Yttrium(III) oxide</a> (<a href="/wiki/Yttrium" title="Yttrium">Y</a>2O3)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+4 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Americium_dioxide" title="Americium dioxide">Americium dioxide</a> (<a href="/wiki/Americium" title="Americium">Am</a>O2)</li> <li><a href="/wiki/Berkelium(IV)_oxide" title="Berkelium(IV) oxide">Berkelium(IV) oxide</a> (<a href="/wiki/Berkelium" title="Berkelium">Bk</a>O2)</li> <li><a href="/wiki/Bromine_dioxide" title="Bromine dioxide">Bromine dioxide</a> (<a href="/wiki/Bromine" title="Bromine">Br</a>O2)</li> <li><a href="/wiki/Californium_dioxide" class="mw-redirect" title="Californium dioxide">Californium dioxide</a> (<a href="/wiki/Californium" title="Californium">Cf</a>O2)</li> <li><a href="/wiki/Carbon_dioxide" title="Carbon dioxide">Carbon dioxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a>O2)</li> <li><a href="/wiki/Carbon_trioxide" title="Carbon trioxide">Carbon trioxide</a> (<a href="/wiki/Carbon" title="Carbon">C</a>O3)</li> <li><a href="/wiki/Cerium(IV)_oxide" title="Cerium(IV) oxide">Cerium(IV) oxide</a> (<a href="/wiki/Cerium" title="Cerium">Ce</a>O2)</li> <li><a href="/wiki/Chlorine_dioxide" title="Chlorine dioxide">Chlorine dioxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a>O2)</li> <li><a href="/wiki/Chromium(IV)_oxide" title="Chromium(IV) oxide">Chromium(IV) oxide</a> (<a href="/wiki/Chromium" title="Chromium">Cr</a>O2)</li> <li><a href="/wiki/Curium(IV)_oxide" title="Curium(IV) oxide">Curium(IV) oxide</a> (<a href="/wiki/Curium" title="Curium">Cm</a>O2)</li> <li><a href="/wiki/Dinitrogen_tetroxide" title="Dinitrogen tetroxide">Dinitrogen tetroxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a>2O4)</li> <li><a href="/wiki/Germanium_dioxide" title="Germanium dioxide">Germanium dioxide</a> (<a href="/wiki/Germanium" title="Germanium">Ge</a>O2)</li> <li><a href="/wiki/Iodine_dioxide" title="Iodine dioxide">Iodine dioxide</a> (<a href="/wiki/Iodine" title="Iodine">I</a>O2)</li> <li><a href="/wiki/Iridium_dioxide" class="mw-redirect" title="Iridium dioxide">Iridium dioxide</a> (<a href="/wiki/Iridium" title="Iridium">Ir</a>O2)</li> <li><a href="/wiki/Hafnium(IV)_oxide" title="Hafnium(IV) oxide">Hafnium(IV) oxide</a> (<a href="/wiki/Hafnium" title="Hafnium">Hf</a>O2)</li> <li><a href="/wiki/Lead_dioxide" title="Lead dioxide">Lead dioxide</a> (<a href="/wiki/Lead" title="Lead">Pb</a>O2)</li> <li><a href="/wiki/Manganese_dioxide" title="Manganese dioxide">Manganese dioxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a>O2)</li> <li><a href="/wiki/Molybdenum_dioxide" title="Molybdenum dioxide">Molybdenum dioxide</a> (<a href="/wiki/Molybdenum" title="Molybdenum">Mo</a>O2)</li> <li><a href="/wiki/Neptunium(IV)_oxide" title="Neptunium(IV) oxide">Neptunium(IV) oxide</a> (<a href="/wiki/Neptunium" title="Neptunium">Np</a>O2)</li> <li><a href="/wiki/Nitrogen_dioxide" title="Nitrogen dioxide">Nitrogen dioxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a>O2)</li> <li><a href="/wiki/Niobium_dioxide" title="Niobium dioxide">Niobium dioxide</a> (<a href="/wiki/Niobium" title="Niobium">Nb</a>O2)</li> <li><a href="/wiki/Osmium_dioxide" title="Osmium dioxide">Osmium dioxide</a> (<a href="/wiki/Osmium" title="Osmium">Os</a>O2)</li> <li><a href="/wiki/Platinum_dioxide" class="mw-redirect" title="Platinum dioxide">Platinum dioxide</a> (<a href="/wiki/Platinum" title="Platinum">Pt</a>O2)</li> <li><a href="/wiki/Plutonium(IV)_oxide" title="Plutonium(IV) oxide">Plutonium(IV) oxide</a> (<a href="/wiki/Plutonium" title="Plutonium">Pu</a>O2)</li> <li><a href="/wiki/Polonium_dioxide" title="Polonium dioxide">Polonium dioxide</a> (<a href="/wiki/Polonium" title="Polonium">Po</a>O2)</li> <li><a href="/wiki/Praseodymium(IV)_oxide" title="Praseodymium(IV) oxide">Praseodymium(IV) oxide</a> (<a href="/wiki/Praseodymium" title="Praseodymium">Pr</a>O2)</li> <li><a href="/wiki/Protactinium(IV)_oxide" title="Protactinium(IV) oxide">Protactinium(IV) oxide</a> (<a href="/wiki/Protactinium" title="Protactinium">Pa</a>O2)</li> <li><a href="/wiki/Rhenium(IV)_oxide" title="Rhenium(IV) oxide">Rhenium(IV) oxide</a> (<a href="/wiki/Rhenium" title="Rhenium">Re</a>O2)</li> <li><a href="/wiki/Rhodium(IV)_oxide" title="Rhodium(IV) oxide">Rhodium(IV) oxide</a> (<a href="/wiki/Rhodium" title="Rhodium">Rh</a>O2)</li> <li><a href="/wiki/Ruthenium(IV)_oxide" title="Ruthenium(IV) oxide">Ruthenium(IV) oxide</a> (<a href="/wiki/Ruthenium" title="Ruthenium">Ru</a>O2)</li> <li><a href="/wiki/Selenium_dioxide" title="Selenium dioxide">Selenium dioxide</a> (<a href="/wiki/Selenium" title="Selenium">Se</a>O2)</li> <li><a href="/wiki/Silicon_dioxide" title="Silicon dioxide">Silicon dioxide</a> (<a href="/wiki/Silicon" title="Silicon">Si</a>O2)</li> <li><a href="/wiki/Sulfur_dioxide" title="Sulfur dioxide">Sulfur dioxide</a> (<a href="/wiki/Sulfur" title="Sulfur">S</a>O2)</li> <li><a href="/wiki/Technetium(IV)_oxide" title="Technetium(IV) oxide">Technetium(IV) oxide</a> (<a href="/wiki/Technetium" title="Technetium">Tc</a>O2)</li> <li><a href="/wiki/Tellurium_dioxide" title="Tellurium dioxide">Tellurium dioxide</a> (<a href="/wiki/Tellurium" title="Tellurium">Te</a>O2)</li> <li><a href="/wiki/Terbium(IV)_oxide" title="Terbium(IV) oxide">Terbium(IV) oxide</a> (<a href="/wiki/Terbium" title="Terbium">Tb</a>O2)</li> <li><a href="/wiki/Thorium_dioxide" title="Thorium dioxide">Thorium dioxide</a> (<a href="/wiki/Thorium" title="Thorium">Th</a>O2)</li> <li><a href="/wiki/Tin(IV)_oxide" title="Tin(IV) oxide">Tin dioxide</a> (<a href="/wiki/Tin" title="Tin">Sn</a>O2)</li> <li><a href="/wiki/Titanium_dioxide" title="Titanium dioxide">Titanium dioxide</a> (<a href="/wiki/Titanium" title="Titanium">Ti</a>O2)</li> <li><a href="/wiki/Tungsten(IV)_oxide" title="Tungsten(IV) oxide">Tungsten(IV) oxide</a> (<a href="/wiki/Tungsten" title="Tungsten">W</a>O2)</li> <li><a href="/wiki/Uranium_dioxide" title="Uranium dioxide">Uranium dioxide</a> (<a href="/wiki/Uranium" title="Uranium">U</a>O2)</li> <li><a href="/wiki/Vanadium(IV)_oxide" title="Vanadium(IV) oxide">Vanadium(IV) oxide</a> (<a href="/wiki/Vanadium" title="Vanadium">V</a>O2)</li> <li><a href="/wiki/Zirconium_dioxide" title="Zirconium dioxide">Zirconium dioxide</a> (<a href="/wiki/Zirconium" title="Zirconium">Zr</a>O2)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+5 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Antimony_pentoxide" title="Antimony pentoxide">Antimony pentoxide</a> (<a href="/wiki/Antimony" title="Antimony">Sb</a>2O5)</li> <li><a href="/wiki/Arsenic_pentoxide" title="Arsenic pentoxide">Arsenic pentoxide</a> (<a href="/wiki/Arsenic" title="Arsenic">As</a>2O5)</li> <li><a href="/wiki/Bismuth_pentoxide" title="Bismuth pentoxide">Bismuth pentoxide</a> (<a href="/wiki/Bismuth" title="Bismuth">Bi</a>2O5)</li> <li><a href="/wiki/Dinitrogen_pentoxide" title="Dinitrogen pentoxide">Dinitrogen pentoxide</a> (<a href="/wiki/Nitrogen" title="Nitrogen">N</a>2O5)</li> <li><a href="/wiki/Niobium_pentoxide" title="Niobium pentoxide">Niobium pentoxide</a> (<a href="/wiki/Niobium" title="Niobium">Nb</a>2O5)</li> <li><a href="/wiki/Phosphorus_pentoxide" title="Phosphorus pentoxide">Phosphorus pentoxide</a> (<a href="/wiki/Phosphorus" title="Phosphorus">P</a>2O5)</li> <li><a href="/wiki/Protactinium(V)_oxide" title="Protactinium(V) oxide">Protactinium(V) oxide</a> (<a href="/wiki/Protactinium" title="Protactinium">Pa</a>2O5)</li> <li><a href="/wiki/Tantalum_pentoxide" title="Tantalum pentoxide">Tantalum pentoxide</a> (<a href="/wiki/Tantalum" title="Tantalum">Ta</a>2O5)</li> <li><a href="/wiki/Tungsten_pentoxide" title="Tungsten pentoxide">Tungsten pentoxide</a> (<a href="/wiki/Tungsten" title="Tungsten">W</a>2O5)</li> <li><a href="/wiki/Vanadium(V)_oxide" title="Vanadium(V) oxide">Vanadium(V) oxide</a> (<a href="/wiki/Vanadium" title="Vanadium">V</a>2O5)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+6 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chromium_trioxide" title="Chromium trioxide">Chromium trioxide</a> (<a href="/wiki/Chromium" title="Chromium">Cr</a>O3)</li> <li><a href="/wiki/Molybdenum_trioxide" title="Molybdenum trioxide">Molybdenum trioxide</a> (<a href="/wiki/Molybdenum" title="Molybdenum">Mo</a>O3)</li> <li><a href="/wiki/Polonium_trioxide" title="Polonium trioxide">Polonium trioxide</a> (<a href="/wiki/Polonium" title="Polonium">Po</a>O3)</li> <li><a href="/wiki/Rhenium_trioxide" title="Rhenium trioxide">Rhenium trioxide</a> (<a href="/wiki/Rhenium" title="Rhenium">Re</a>O3)</li> <li><a href="/wiki/Selenium_trioxide" title="Selenium trioxide">Selenium trioxide</a> (<a href="/wiki/Selenium" title="Selenium">Se</a>O3)</li> <li><a href="/wiki/Sulfur_trioxide" title="Sulfur trioxide">Sulfur trioxide</a> (<a href="/wiki/Sulfur" title="Sulfur">S</a>O3)</li> <li><a href="/wiki/Tellurium_trioxide" title="Tellurium trioxide">Tellurium trioxide</a> (<a href="/wiki/Tellurium" title="Tellurium">Te</a>O3)</li> <li><a href="/wiki/Tungsten_trioxide" title="Tungsten trioxide">Tungsten trioxide</a> (<a href="/wiki/Tungsten" title="Tungsten">W</a>O3)</li> <li><a href="/wiki/Uranium_trioxide" title="Uranium trioxide">Uranium trioxide</a> (<a href="/wiki/Uranium" title="Uranium">U</a>O3)</li> <li><a href="/wiki/Xenon_trioxide" title="Xenon trioxide">Xenon trioxide</a> (<a href="/wiki/Xenon" title="Xenon">Xe</a>O3)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+7 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dichlorine_heptoxide" title="Dichlorine heptoxide">Dichlorine heptoxide</a> (<a href="/wiki/Chlorine" title="Chlorine">Cl</a>2O7)</li> <li><a href="/wiki/Manganese_heptoxide" title="Manganese heptoxide">Manganese heptoxide</a> (<a href="/wiki/Manganese" title="Manganese">Mn</a>2O7)</li> <li><a href="/wiki/Rhenium(VII)_oxide" title="Rhenium(VII) oxide">Rhenium(VII) oxide</a> (<a href="/wiki/Rhenium" title="Rhenium">Re</a>2O7)</li> <li><a href="/wiki/Technetium(VII)_oxide" title="Technetium(VII) oxide">Technetium(VII) oxide</a> (<a href="/wiki/Technetium" title="Technetium">Tc</a>2O7)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">+8 oxidation state</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Iridium_tetroxide" title="Iridium tetroxide">Iridium tetroxide</a> (<a href="/wiki/Iridium" title="Iridium">Ir</a>O4)</li> <li><a href="/wiki/Osmium_tetroxide" title="Osmium tetroxide">Osmium tetroxide</a> (<a href="/wiki/Osmium" title="Osmium">Os</a>O4)</li> <li><a href="/wiki/Ruthenium_tetroxide" title="Ruthenium tetroxide">Ruthenium tetroxide</a> (<a href="/wiki/Ruthenium" title="Ruthenium">Ru</a>O4)</li> <li><a href="/wiki/Xenon_tetroxide" title="Xenon tetroxide">Xenon tetroxide</a> (<a href="/wiki/Xenon" title="Xenon">Xe</a>O4)</li> <li><a href="/wiki/Hassium_tetroxide" title="Hassium tetroxide">Hassium tetroxide</a> (<a href="/wiki/Hassium" title="Hassium">Hs</a>O4)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oxocarbon" title="Oxocarbon">Oxocarbon</a></li> <li><a href="/wiki/Suboxide" title="Suboxide">Suboxide</a></li> <li><a href="/wiki/Oxyanion" title="Oxyanion">Oxyanion</a></li> <li><a href="/wiki/Ozonide" title="Ozonide">Ozonide</a></li> <li><a href="/wiki/Peroxide" title="Peroxide">Peroxide</a></li> <li><a href="/wiki/Superoxide" title="Superoxide">Superoxide</a></li> <li><a href="/wiki/Oxypnictide" title="Oxypnictide">Oxypnictide</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div>Oxides are sorted by <a href="/wiki/Oxidation_state" title="Oxidation state">oxidation state</a>. <a href="/wiki/Category:Oxides" title="Category:Oxides">Category:Oxides</a></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r1123817410">.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"></div><div role="navigation" class="navbox" aria-labelledby="Oxygen_compounds" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Oxygen_compounds" title="Template:Oxygen compounds"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Oxygen_compounds" title="Template talk:Oxygen compounds"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Oxygen_compounds" title="Special:EditPage/Template:Oxygen compounds"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Oxygen_compounds" style="font-size:114%;margin:0 4em"><a href="/wiki/Oxygen_compounds" title="Oxygen compounds">Oxygen compounds</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Silver(I,III)_oxide" title="Silver(I,III) oxide">Ag4O4</a></li> <li><a href="/wiki/Aluminium_oxide" title="Aluminium oxide">Al2O3</a></li> <li><a href="/wiki/Americium_dioxide" title="Americium dioxide">AmO2</a></li> <li><a href="/wiki/Americium(III)_oxide" title="Americium(III) oxide">Am2O3</a></li> <li><a href="/wiki/Arsenic_trioxide" title="Arsenic trioxide">As2O3</a></li> <li><a href="/wiki/Arsenic_pentoxide" title="Arsenic pentoxide">As2O5</a></li> <li><a href="/wiki/Gold(III)_oxide" title="Gold(III) oxide">Au2O3</a></li> <li><a href="/wiki/Boron_trioxide" title="Boron trioxide">B2O3</a></li> <li><a href="/wiki/Barium_oxide" title="Barium oxide">BaO</a></li> <li><a href="/wiki/Beryllium_oxide" title="Beryllium oxide">BeO</a></li> <li><a href="/wiki/Bismuth(III)_oxide" title="Bismuth(III) oxide">Bi2O3</a></li> <li><a href="/w/index.php?title=Bismuth_tetroxide&action=edit&redlink=1" class="new" title="Bismuth tetroxide (page does not exist)">BiO2</a></li> <li><a href="/wiki/Bismuth_pentoxide" title="Bismuth pentoxide">Bi2O5</a></li> <li><a href="/wiki/Bromine_dioxide" title="Bromine dioxide">BrO2</a></li> <li><a href="/wiki/Dibromine_trioxide" title="Dibromine trioxide">Br2O3</a></li> <li><a href="/wiki/Dibromine_pentoxide" title="Dibromine pentoxide">Br2O5</a></li> <li><a href="/wiki/Tribromine_octoxide" title="Tribromine octoxide">Br 3O 8</a></li> <li><a href="/wiki/Carbon_monoxide" title="Carbon monoxide">CO</a></li> <li><a href="/wiki/Carbon_dioxide" title="Carbon dioxide">CO2</a></li> <li><a href="/wiki/Carbon_suboxide" title="Carbon suboxide">C3O2</a></li> <li><a href="/wiki/Calcium_oxide" title="Calcium oxide">CaO</a></li> <li><a href="/wiki/Calcium_peroxide" title="Calcium peroxide">CaO2</a></li> <li><a href="/wiki/Cadmium_oxide" title="Cadmium oxide">CdO</a></li> <li><a href="/wiki/Cerium(IV)_oxide" title="Cerium(IV) oxide">CeO2</a></li> <li><a href="/w/index.php?title=Cerium(III,IV)_oxide&action=edit&redlink=1" class="new" title="Cerium(III,IV) oxide (page does not exist)">Ce3O4</a></li> <li><a href="/wiki/Cerium(III)_oxide" title="Cerium(III) oxide">Ce2O3</a></li> <li><a href="/wiki/Chlorine_dioxide" title="Chlorine dioxide">ClO2</a></li> <li><a href="/wiki/Dichlorine_monoxide" title="Dichlorine monoxide">Cl2O</a></li> <li><a href="/wiki/Chlorine_peroxide" title="Chlorine peroxide">Cl2O2</a></li> <li><a href="/wiki/Dichlorine_trioxide" title="Dichlorine trioxide">Cl2O3</a></li> <li><a href="/wiki/Chlorine_perchlorate" title="Chlorine perchlorate">Cl2O4</a></li> <li><a href="/wiki/Dichlorine_hexoxide" title="Dichlorine hexoxide">Cl2O6</a></li> <li><a href="/wiki/Dichlorine_heptoxide" title="Dichlorine heptoxide">Cl2O7</a></li> <li><a href="/wiki/Cobalt(II)_oxide" title="Cobalt(II) oxide">CoO</a></li> <li><a href="/wiki/Cobalt(III)_oxide" title="Cobalt(III) oxide">Co2O3</a></li> <li><a href="/wiki/Cobalt(II,III)_oxide" title="Cobalt(II,III) oxide">Co3O4</a></li> <li><a href="/wiki/Chromium_trioxide" title="Chromium trioxide">CrO3</a></li> <li><a href="/wiki/Chromium(III)_oxide" title="Chromium(III) oxide">Cr2O3</a></li> <li><a href="/wiki/Chromium(IV)_oxide" title="Chromium(IV) oxide">Cr2O5</a></li> <li><a href="/w/index.php?title=Chromic_chromate&action=edit&redlink=1" class="new" title="Chromic chromate (page does not exist)">Cr5O12</a></li> <li><a href="/wiki/Cesium_superoxide" class="mw-redirect" title="Cesium superoxide">CsO2</a></li> <li><a href="/wiki/Caesium_sesquioxide" title="Caesium sesquioxide">Cs2O3</a></li> <li><a href="/wiki/Copper(II)_oxide" title="Copper(II) oxide">CuO</a></li> <li><a href="/wiki/Dysprosium(III)_oxide" title="Dysprosium(III) oxide">Dy2O3</a></li> <li><a href="/wiki/Erbium(III)_oxide" title="Erbium(III) oxide">Er2O3</a></li> <li><a href="/wiki/Europium(III)_oxide" title="Europium(III) oxide">Eu2O3</a></li> <li><a href="/wiki/Iron(II)_oxide" title="Iron(II) oxide">FeO</a></li> <li><a href="/wiki/Iron(III)_oxide" title="Iron(III) oxide">Fe2O3</a></li> <li><a href="/wiki/Iron(II,III)_oxide" title="Iron(II,III) oxide">Fe3O4</a></li> <li><a href="/wiki/Gallium(I)_oxide" title="Gallium(I) oxide">Ga2O</a></li> <li><a class="mw-selflink selflink">Ga2O3</a></li> <li><a href="/wiki/Germanium_monoxide" title="Germanium monoxide">GeO</a></li> <li><a href="/wiki/Germanium_dioxide" title="Germanium dioxide">GeO2</a></li> <li><a href="/wiki/Properties_of_water" title="Properties of water">H2O</a></li> <li><a href="/wiki/Heavy_water" title="Heavy water">2H2O</a></li> <li><a href="/wiki/Tritiated_water" title="Tritiated water">3H2O</a></li> <li><a href="/wiki/Heavy_water" title="Heavy water">H218O</a></li> <li><a href="/wiki/Hydrogen_peroxide" title="Hydrogen peroxide">H2O2</a></li> <li><a href="/wiki/Hafnium(IV)_oxide" title="Hafnium(IV) oxide">HfO2</a></li> <li><a href="/wiki/Mercury(II)_oxide" title="Mercury(II) oxide">HgO</a></li> <li><a href="/wiki/Mercury(I)_oxide" title="Mercury(I) oxide">Hg2O</a></li> <li><a href="/wiki/Holmium(III)_oxide" title="Holmium(III) oxide">Ho2O3</a></li> <li><a href="/wiki/Iodine_monoxide" title="Iodine monoxide">IO</a></li> <li><a href="/wiki/Iodine_tetroxide" class="mw-redirect" title="Iodine tetroxide">I2O4</a></li> <li><a href="/wiki/Iodine_pentoxide" title="Iodine pentoxide">I2O5</a></li> <li><a href="/w/index.php?title=Iodine_hexoxide&action=edit&redlink=1" class="new" title="Iodine hexoxide (page does not exist)">I2O6</a></li> <li><a href="/wiki/Tetraiodine_nonoxide" title="Tetraiodine nonoxide">I4O9</a></li> <li><a href="/wiki/Indium(III)_oxide" title="Indium(III) oxide">In2O3</a></li> <li><a href="/wiki/Iridium(IV)_oxide" title="Iridium(IV) oxide">IrO2</a></li> <li><a href="/wiki/Potassium_superoxide" title="Potassium superoxide">KO2</a></li> <li><a href="/wiki/Potassium_peroxide" title="Potassium peroxide">K2O2</a></li> <li><a href="/wiki/Lanthanum_oxide" title="Lanthanum oxide">La2O3</a></li> <li><a href="/wiki/Lithium_oxide" title="Lithium oxide">Li2O</a></li> <li><a href="/wiki/Lithium_peroxide" title="Lithium peroxide">Li2O2</a></li> <li><a href="/wiki/Lutetium(III)_oxide" title="Lutetium(III) oxide">Lu2O3</a></li> <li><a href="/wiki/Magnesium_oxide" title="Magnesium oxide">MgO</a></li> <li><a href="/wiki/Magnesium_peroxide" title="Magnesium peroxide">Mg2O3</a></li> <li><a href="/wiki/Manganese(II)_oxide" title="Manganese(II) oxide">MnO</a></li> <li><a href="/wiki/Manganese_dioxide" title="Manganese dioxide">MnO2</a></li> <li><a href="/wiki/Manganese(III)_oxide" title="Manganese(III) oxide">Mn2O3</a></li> <li><a href="/wiki/Manganese_heptoxide" title="Manganese heptoxide">Mn2O7</a></li> <li><a href="/wiki/Molybdenum_dioxide" title="Molybdenum dioxide">MoO2</a></li> <li><a href="/wiki/Molybdenum_trioxide" title="Molybdenum trioxide">MoO3</a></li> <li><a href="/w/index.php?title=Molybdenum(III)_oxide&action=edit&redlink=1" class="new" title="Molybdenum(III) oxide (page does not exist)">Mo2O3</a></li> <li><a href="/wiki/Nitric_oxide" title="Nitric oxide">NO</a></li> <li><a href="/wiki/Nitrogen_dioxide" title="Nitrogen dioxide">NO2</a></li> <li><a href="/wiki/Nitrous_oxide" title="Nitrous oxide">N2O</a></li> <li><a href="/wiki/Nitrogen_trioxide" class="mw-redirect" title="Nitrogen trioxide">N2O3</a></li> <li><a href="/wiki/Dinitrogen_tetroxide" title="Dinitrogen tetroxide">N2O4</a></li> <li><a href="/wiki/Dinitrogen_pentoxide" title="Dinitrogen pentoxide">N2O5</a></li> <li><a href="/wiki/Sodium_superoxide" title="Sodium superoxide">NaO2</a></li> <li><a href="/wiki/Sodium_oxide" title="Sodium oxide">Na2O</a></li> <li><a href="/wiki/Sodium_peroxide" title="Sodium peroxide">Na2O2</a></li> <li><a href="/wiki/Niobium_monoxide" title="Niobium monoxide">NbO</a></li> <li><a href="/wiki/Niobium_dioxide" title="Niobium dioxide">NbO2</a></li> <li><a href="/wiki/Neodymium(III)_oxide" title="Neodymium(III) oxide">Nd2O3</a></li> <li><a href="/wiki/Dioxygen_monofluoride" title="Dioxygen monofluoride">O2F</a></li> <li><a href="/wiki/Oxygen_monofluoride" title="Oxygen monofluoride">OF</a></li> <li><a href="/wiki/Oxygen_difluoride" title="Oxygen difluoride">OF2</a></li> <li><a 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