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(IUCr) Acta Crystallographica Section A
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advances in the practice and theory of all areas of structural science in the broadest sense. As well as traditional crystallography, this includes nanocrystals, metacrystals, amorphous materials and quasicrystals. It also covers electron crystallography, diffuse scattering, pair distribution function studies, time-resolved XFEL studies, cryo-EM, tomography, small-angle scattering, coherent scattering, diffraction imaging, and the structure of strain and defects in materials. Contributions on advances in analysis tools that are foundational to crystallography, including descriptions and applications of methods, algorithms and software, and the use of emerging computational approaches such as artificial intelligence and machine learning as applied to structural science, are also welcome.</p> <p>The journal has two parts, a rapid-publication <span style="font-weight: bold; color: #6baadd">Advances</span> section and the traditional <span style="font-weight: bold; color: #6baadd">Foundations</span> section. Articles for the <span style="font-weight: bold; color: #6baadd">Advances</span> section are of particularly high value and impact. They receive expedited treatment and may be highlighted by an accompanying scientific commentary article and a press release. </p> <p>The central themes of the journal are studies of the properties and arrangements of atoms, ions and molecules in condensed matter, and the experimental, computational and theoretical methods that form the basis for such studies. Priority is given to articles that clearly describe the significance of the work to as wide a structural science readership as possible.</p> <p>We look forward to receiving your submissions. </p><p><a href="services/about.html"><b>More about the journal</b></a></p> <br /><div class="clear"></div></div> <div class="clear"></div> <div id="main_bot"><!-- <div id="editorialboardlinks" style="padding:.5em 1em;border: 1pt solid #ccc;"> <h3 style="margin-bottom:-5px;font-size:10pt;margin-top: 4pt;">IUCr denounces the invasion of Ukraine</h3> <p style="font-size:8pt;line-height:11pt;">The International Union of Crystallography (IUCr) is greatly dismayed by the invasion of Ukraine and is concerned about its impact for the rest of the world. IUCr stands in solidarity with the international scientific community as we are concerned for the well being and life of all Ukrainian people. We stand by their side. IUCr seeks ways to serve all its members worldwide during this difficult time; it declares its support for the rights and freedoms conveyed in the <a href="https://www.un.org/en/about-us/universal-declaration-of-human-rights">Universal Declaration of Human Rights</a> for all people.</p> <p style="font-size:8pt;line-height:11pt;">IUCr condemns all wars, and calls for a halt to hostilities and for a peaceful end to this crisis. We have suspended publication fees for our journals for authors based in the Ukraine (for more details contact <a href="mailto:supporta@iucr.org" target="_blank">supporta@iucr.org</a>).</p> </div> --> <div style="border: 1pt solid white;border-radius:5px;margin-top:1em;max-width: 900px;"><a href="https://journals.iucr.org/special_issues/2024/ML/"><img style="vertical-align: text-top; width: 95%;" src="/logos/Websitepost_machinelearning.png" /></a> </p> </div> <div id="highlights" class="hl_a"> </div><!-- end div highlights --> <div class="clear"></div> <div id="latest" class="lt_a"><div id="latest_small"> <div class="latest"><div class="artlisthead"><img src="/logos/arrows/smarrr.png" alt="" class="hide" /><img src="/logos/arrows/smarrd.png" alt="" />latest articles</div><div id="slate" class="artlist"><div class="loading"><img src="/logos/load.gif" alt="loading" /></div></div></div> <div class="latest"><div class="artlisthead closed"><img src="/logos/arrows/smarrr.png" alt="" /><img src="/logos/arrows/smarrd.png" alt="" class="hide" />most read</div><div id="sread" class="artlist hide"><div class="loading"><img src="/logos/load.gif" alt="loading" /></div></div></div> <div class="latest"><div class="artlisthead closed"><img src="/logos/arrows/smarrr.png" alt="" /><img src="/logos/arrows/smarrd.png" alt="" class="hide" />most cited</div><div id="scited" class="artlist hide"><div class="loading"><img src="/logos/load.gif" alt="loading" /></div></div></div> <div class="latest"><div class="artlisthead closed"><img src="/logos/arrows/smarrr.png" alt="" /><img src="/logos/arrows/smarrd.png" alt="" class="hide" />highlighted articles</div><div id="shigh" class="artlist hide"><div class="loading"><img src="/logos/load.gif" alt="loading" /></div></div></div> </div><!-- end of latest_small div --> <div id="tabs" class="tabber"><div id="tlate" class="tabbertab" title="latest articles"> <div class="loading"><img src="/logos/load.gif" alt="loading" /></div> </div> <!-- end of tabbertab --><div id="tread" class="tabbertab" title="most read"> <div class="loading"><img src="/logos/load.gif" alt="loading" /></div> </div> <!-- end of tabbertab --> <div id="tcited" class="tabbertab" title="most cited"> <div class="loading"><img src="/logos/load.gif" alt="loading" /></div> </div> <!-- end of tabbertab --> <div id="thigh" class="tabbertab" title="highlighted articles"> <div class="loading"><img src="/logos/load.gif" alt="loading" /></div> </div> <!-- end of tabbertab --> </div><!-- end of tabber div --> </div></div> </div><!-- end div main --> <div id="side"><div class="side_box"> <div style="margin-top: 0.2em; margin-bottom: 0.5em; width: 100%; max-width: 365px; min-width: 75px; border-radius: 5px;"> <a target="_blank" href="http://www.iucr.org/people/associates" title="Associates Programme"><img style="margin-bottom: 0.5em; width: 100%; max-width: 365px; min-width: 75px;border-radius: 5px;" src="/logos/adverts/ap_banner.gif" alt="Associates Programme" /></a> </div><!-- end ad div --> </div><!-- end div class side_box --><div class="side_box" style="border: 1px solid #0451A0; border-radius: 5px; padding: 1em;"> <style type='text/css'> .side_box .art_authors, .side_box .art_year, .side_box .art_bibl {display: none;} .side_box .article .art_details {margin: 0px;} div.side_box div#categoryside h2 {margin: 0px 0px 1em 0px; padding: 0px;} @media (max-width: 800px) { .side_box .art_authors, .side_box .art_year, .side_box .art_bibl {display: inline;} } @media (max-width: 500px) { .side_box .art_authors, .side_box .art_year, .side_box .art_bibl {display: none;} } </style> <h3><a href="/a/services/advances.html"><span style="font-weight: bold; color: #6baadd">Advances</span></a></h3> <p>Recently published <a href="/a/services/advances.html"><span style="font-weight: bold; color: #6baadd">Advances</span></a> articles are given below.</p> <img style="width:100%; max-width: 100px;box-shadow: 3px 3px 7px #AAA;margin-bottom: 1em;" src="/a/issues/2015/04/00/pc5051/pc5051thumbnail.gif"/> <!-- <div id="categoryside" class="fa"><span class="jid" style="display: none;">a</span><span class="dochead" style="display: none;">advances</span></div>--> <div class="article"><div class="art_details"><span class="art_title"><a title="Open URL link" href="https://doi.org/10.1107/S2053273324007666"> <i>Symmetries and symmetry-generated averages of elastic constants up to the sixth order of nonlinearity for all crystal classes, isotropy and transverse isotropy</i> </a></span><span class="art_authors"><a href="https://scripts.iucr.org/cgi-bin/citedin?search_on=name&author_name=Telyatnik, R.S.">R. S. Telyatnik</a> </span><span class="art_year"> (2024). </span><span class="art_bibl"><i>Acta Cryst.</i> A<b>80</b>, https://doi.org/10.1107/S2053273324007666.</span> </div></div> <div class="article"><div class="art_details"><span class="art_title"><a title="Open URL link" href="https://doi.org/10.1107/S205327332400007X"> <i>Understanding extended homometry based on complementary crystallographic orbit sets</i> </a></span><span class="art_authors"><a href="//scripts.iucr.org/cgi-bin/citedin?search_on=name&author_name=Zhang, Z.">Z. Zhang</a>, <a href="//scripts.iucr.org/cgi-bin/citedin?search_on=name&author_name=Shen, Y.">Y. Shen</a> & <a href="//scripts.iucr.org/cgi-bin/citedin?search_on=name&author_name=Sun, J.">J. Sun</a> </span><span class="art_year"> (2024). </span><span class="art_bibl"><i>Acta Cryst.</i> A<b>80</b>, https://doi.org/10.1107/S205327332400007X.</span> </div></div> <div class="article"><div class="art_details"><span class="art_title"><a title="Open URL link" href="https://doi.org/10.1107/S2053273323010963"> <i>Parameterized absorptive electron scattering factors</i> </a></span><span class="art_authors"><a href="//scripts.iucr.org/cgi-bin/citedin?search_on=name&author_name=Thomas, M.">M. Thomas</a>, <a href="//scripts.iucr.org/cgi-bin/citedin?search_on=name&author_name=Cleverley, A.">A. Cleverley</a> & <a href="//scripts.iucr.org/cgi-bin/citedin?search_on=name&author_name=Beanland, R.">R. Beanland</a> </span><span class="art_year"> (2024). </span><span class="art_bibl"><i>Acta Cryst.</i> A<b>80</b>, https://doi.org/10.1107/S2053273323010963.</span> </div></div> <a href="/a/services/advances.html">more ...</a> </div><div class="side_box"> <div id="editorialboardlinks" style="overflow: hidden;"> <h3>Collections</h3><br /><div style="float:left;max-width:140px; width: 90%; border: 1px solid #efefef; padding: 10px; box-shadow: 3px 3px 10px rgb(170, 170, 170);margin: 0px 10px 10px 0px;"><div style="float:left;"><img style="width:20px; padding-right: 10px;padding-top: 2px;" src="/logos/jicons/a_36x36.png" /></div><a href="/special_issues/2024/ML/">Machine learning</a><br/><a href="/special_issues/2024/ML/"><img style="max-width:100%;height: 120px;padding-top: .5em;" src="/special_issues/2024/ML/graphics/coverill.gif" /></a></div><div style="float:left;max-width:140px; width: 90%; border: 1px solid #efefef; padding: 10px; box-shadow: 3px 3px 10px rgb(170, 170, 170);margin: 0px 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