Tb3+ substituted strontium hexaferrites: Structural, magnetic and optical investigation and cation distribution

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dc.authorid0000-0002-2579-1617
dc.authorid0000-0002-7974-2415
dc.authorid0000-0001-9016-9229
dc.authorid0000-0002-5205-0937
dc.contributor.authorAlmessiere, Munirah Abdullah
dc.contributor.authorSlimani, Yassine
dc.contributor.authorGüngüneş, Hakan
dc.contributor.authorSertkol, Murat
dc.contributor.authorNawaz, Muhammad
dc.contributor.authorAlgarou, N. A.
dc.contributor.authorBaykal, Abdulhadi
dc.contributor.authorErcan, İsmail
dc.date.accessioned2020-01-30T10:56:07Z
dc.date.available2020-01-30T10:56:07Z
dc.date.issued2019en_US
dc.departmentHitit Üniversitesi, Fen Edebiyat Fakültesi, Fizik Bölümü
dc.description.abstractIn this study, SrFe12?xTbxO19 (0.00 ? x ? 0.1) hexaferrites (HFs) were prepared successfully by citrate sol-gel approach. X-ray powder diffraction analyses affirm the hexagonal structure of products. Impurity phase starts to appear for x ? 0.04. The crystallites sizes were estimated to be in the range of 33–46 nm. All the products exhibit inhomogeneous distribution of grain size detected through SEM. The analyses of magnetization versus applied magnetic field, M(H), were performed. Magnetization measurements were done at room (300 K; RT) and low (10 K) temperatures. The different magnetic parameters including saturation magnetization Ms, remanence Mr, squareness ratio (SQR = Mr/Ms), coercivity Hc, and magnetic moment nB are deduced and discussed in detail. At both considered temperatures, M(H) results show ferrimagnetic nature for all compositions. It is shown that the Tb substitutions significantly affect M(H) data. A significant increase in the Ms, Mr, and nB is observed for x = 0.02 sample. The SQR values are around 0.5 indicating the single domain nature with uniaxial anisotropy. The obtained magnetic results were investigated deeply with relation to structural and microstructural properties. Mössbauer spectroscopy results were also investigated. According to Mössbauer results, the Tb3+ ions preferentially occupy 12k and 4f2 sites.
dc.description.provenanceSubmitted by Zeynep Umut Arslan (umutarslan@hitit.edu.tr) on 2020-01-30T10:55:47Z No. of bitstreams: 0en
dc.description.provenanceApproved for entry into archive by Zeynep Umut Arslan (umutarslan@hitit.edu.tr) on 2020-01-30T10:56:07Z (GMT) No. of bitstreams: 0en
dc.description.provenanceMade available in DSpace on 2020-01-30T10:56:07Z (GMT). No. of bitstreams: 0 Previous issue date: 2019en
dc.identifier.citationAlmessiere, M. A., Slimani, Y., Gungunes, H., Sertkol, M., Nawaz, M., Algarou, N. A., ... Ercan, I. (2019). Tb3+ substituted strontium hexaferrites: Structural, magnetic and optical investigation and cation distribution. Journal of Rare Earths, 1-9.
dc.identifier.doi10.1016/j.jre.2019.06.007
dc.identifier.endpage9en_US
dc.identifier.issn1002-0721
dc.identifier.scopusqualityQ1
dc.identifier.startpage1en_US
dc.identifier.urihttps://doi.org/10.1016/j.jre.2019.06.007
dc.identifier.urihttps://hdl.handle.net/11491/5668
dc.identifier.wosWOS:000519981400008
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherChinese Society of Rare Earths
dc.relation.ispartofJournal of Rare Earths
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectM-type Hexaferritesen_US
dc.subjectStructureen_US
dc.subjectMossbauer Spectroscopyen_US
dc.subjectOptical Propertiesen_US
dc.subjectMagnetizationen_US
dc.subjectRare Earthsen_US
dc.titleTb3+ substituted strontium hexaferrites: Structural, magnetic and optical investigation and cation distribution
dc.typeArticle

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