Structural and Dielectric Properties of ‘Mg’ Doped M-Type Strontium Hexa-Ferrites (SrFe12O19) Synthesized via Sol-Gel Method

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Ramay; citation_volume=44; citation_issue=1; citation_publication_date=2018/1; citation_pages=605-612; citation_doi=10.1016/j.ceramint.2017.09.219" /> <meta name="citation_reference" content="citation_title=Effect of Al–Cr doping on the structural, magnetic and dielectric properties of strontium hexaferrite nanomaterials; citation_author=Muhammad Naeem Ashiq; citation_author=Muhammad Javed Iqbal; citation_author=Iftikhar Hussain Gul; citation_volume=323; citation_issue=3-4; citation_publication_date=2011/2; citation_pages=259-263; citation_doi=10.1016/j.jmmm.2010.08.054" /> <meta name="citation_reference" content="citation_title=Morphological, Raman, electrical and dielectric properties of rare earth doped X-type hexagonal ferrites; citation_author=Abdul Majeed; citation_author=Muhammad Azhar Khan; citation_author=Faseeh ur Raheem; citation_author=Iftikhar Ahmad; citation_author=Majid Niaz Akhtar; citation_author=Muhammad Farooq Warsi; citation_volume=503; citation_publication_date=2016/12; citation_pages=38-43; citation_doi=10.1016/j.physb.2016.08.041" /> <meta name="citation_reference" content="citation_title=Structural and dielectric properties of Gd-Zn substituted Ca0.5Ba0.5Fe12O19 M-type hexa-ferrites synthesized via auto-combustion method; citation_author=Nazia Yasmin; citation_author=Maria Zahid; citation_author=Hasan Mehmood Khan; citation_author=Muhammad Hashim; citation_author=Misbah Ul Islam; citation_author=Sadia Yasmin; citation_author=Muhammad Altaf; citation_author=Bushra Nazar; citation_author=Muhammad Safdar; citation_author=Misbah Mirza; citation_volume=774; citation_publication_date=2019/2; citation_pages=962-968; citation_doi=10.1016/j.jallcom.2018.10.044" /> <meta name="person" content="Amina Safdar, Ramiza Ali, Aneela Shahzad, Jaala Mishal" /> <meta name="description" content="M-type hexagonal ferrites have wide range of applications in magnetic recording media, microwave devices, micro electrochemical systems, high frequency devices, magneto-optical devices and many more. In present research, M-type strontium hexagonal ferrites doped with ‘magnesium’ having chemical composition (SrMgxFe12-xO19) for x= 0.00, 0.05, 00.10, 0.15, 0.20, were synthesized to investigate the influence of rare earth metal doping on the structure and dielectric properties via sol-gel auto combustion technique. Molecular absorption/transmission, structural properties and dielectric response were investigated by Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD) and Dielectric measurements of ‘Mg’ doped strontium hexaferrites. X-ray diffraction analysis verified the magneto-plumbite structure. Crystal sizes were found in varying order for different concentrations of ‘Mg’ ranging from 12.357 to 15.375 nm. The FT-IR spectra exhibited higher frequency band (500–515.84 cm-1) indicating tetrahedral site’s vibrations of metallic cations and lower frequency band (385.35–375.16 cm-1) exhibiting octahedral sites due to metallic oxygen bond that confirmed the hexagonal structure. The resonance peaks were observed in dielectric constant, loss, tangent loss, AC conductivity, electric modulus and quality factor versus frequency graphs. The dielectric properties were found to be enhanced gradually by increasing concentration of magnesium. The best Q-factor was found for magnesium concentration (x=0.20). The dielectric parameters specify that these ferrite nanoparticles are good applicants for the higher frequency implementations." /> <meta name="keywords" content="‘Mg’ Substitution, Dielectric Response, FTIR Spectroscopy, M-Type Hexaferrites, Sol-Gel Method, X-Ray Diffraction" /> <meta name="copyright" content="2023 Trans Tech Publications Ltd. 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<h1 class="page-name-block-text">Structural and Dielectric Properties of ‘Mg’ Doped M-Type Strontium Hexa-Ferrites (SrFe<sub>12</sub>O<sub>19</sub>) Synthesized via Sol-Gel Method</h1> </div> <div class="paper-statistics"> <div class="loading"> <i class="inline-icon download-and-visitor-statistics-icon"></i> <span class="normal-text" id="paperDownloadsAndVisitorsCount"></span> </div> </div> <div class="clearfix"></div> <div class="page-paper-title"> <div class="preview-block"> <img alt="Article Preview" width="128" height="180" src="/AMR.1178.97/thumbnail.gif"> <div id="preview-button" data-url-preview-log="/Paper/PreviewImageLog?paperId=593311"> <i class="inline-icon preview-icon"></i> </div>  <div id="paper-preview-modal" class="modal fade"> <div class="modal-dialog" role="document"> <div class="popup-page-name underline-begin"> <div class="page-name-block-text">Article Preview</div> </div> <img alt="Article Preview" class="preview-image lazyload" data-src="/AMR.1178.97/preview.gif"> <a data-dismiss="modal" title="Close" class="inline-icon close-icon"></a> </div> </div>  </div> <div class="abstract-block-description"> <h3 class="page-paper-first-header">Abstract:</h3> <p class="normal-text"> M-type hexagonal ferrites have wide range of applications in magnetic recording media, microwave devices, micro electrochemical systems, high frequency devices, magneto-optical devices and many more. In present research, M-type strontium hexagonal ferrites doped with ‘magnesium’ having chemical composition (SrMg<sub>x</sub>Fe<sub>12-x</sub>O<sub>19</sub>) for x= 0.00, 0.05, 00.10, 0.15, 0.20, were synthesized to investigate the influence of rare earth metal doping on the structure and dielectric properties via sol-gel auto combustion technique. Molecular absorption/transmission, structural properties and dielectric response were investigated by Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD) and Dielectric measurements of ‘Mg’ doped strontium hexaferrites. X-ray diffraction analysis verified the magneto-plumbite structure. Crystal sizes were found in varying order for different concentrations of ‘Mg’ ranging from 12.357 to 15.375 nm. The FT-IR spectra exhibited higher frequency band (500–515.84 cm<sup>-1</sup>) indicating tetrahedral site’s vibrations of metallic cations and lower frequency band (385.35–375.16 cm<sup>-1</sup>) exhibiting octahedral sites due to metallic oxygen bond that confirmed the hexagonal structure. The resonance peaks were observed in dielectric constant, loss, tangent loss, AC conductivity, electric modulus and quality factor versus frequency graphs. The dielectric properties were found to be enhanced gradually by increasing concentration of magnesium. The best Q-factor was found for magnesium concentration (x=0.20). The dielectric parameters specify that these ferrite nanoparticles are good applicants for the higher frequency implementations. </p> </div> <div class="paper-access-buttons col-xs-12"> <div class="row"> <div class="sa-button-wrap"> <a id="sa-button" class="wayfinder-login d-flex sa-button" href="javascript:;"> <div class="sa-button-logo-wrap"> <i class="inline-icon sa-white"></i> </div> <div class="d-flex justify-content-center align-items-center sa-button-text text-truncate"> <div class="sa-button-text-primary text-truncate">Access through your institution</div> </div> </a> </div> <div class="title-button-pdf"> <button id="readPaperButton" data-url-read-paper-log="/Paper/ReadThePaperLog?paperId=593311" class="button button-160"> <span class="inline-element">Read The Paper</span> </button> </div> </div> <div class="row"> </div> </div> <div class="clearfix"></div> <div class="connected-title-container"> <div class="connected-title-text semibold-middle-text">You might also be interested 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<a href="/author-papers/amina-safdar">Amina Safdar</a>*, <a href="/author-papers/ramiza-ali">Ramiza Ali</a>, <a href="/author-papers/aneela-shahzad">Aneela Shahzad</a>, <a href="/author-papers/jaala-mishal">Jaala Mishal</a> </div> </div> </div> </div> <div class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>Keywords:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div class="row"> <a href="/paper-keyword/mg-substitution-1">‘Mg’ Substitution</a>, <a href="/paper-keyword/dielectric-response">Dielectric Response</a>, <a href="/paper-keyword/ftir-spectroscopy">FTIR Spectroscopy</a>, <a href="/paper-keyword/m-type-hexaferrites">M-Type Hexaferrites</a>, <a href="/paper-keyword/sol-gel-method">Sol-Gel Method</a>, <a href="/paper-keyword/x-ray-diffraction">X-Ray Diffraction</a> </div> </div> </div> </div> <div class="papers-block-info col-lg-12"> 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Structural and Dielectric Properties of ‘Mg’ Doped M-Type Strontium Hexa-Ferrites (SrFe12O19) Synthesized via Sol-Gel Method | Scientific.Net