Enhancing magnetoresistive features of iron-substituted La0.8Sr0.2MnO3 ceramic manganites

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dc.authorid0000-0001-9036-5676en_US
dc.authorid0000-0002-3944-0367en_US
dc.authorid0000-0002-3133-5693en_US
dc.contributor.authorKaradavut, Samed
dc.contributor.authorDenbri, Fatih
dc.contributor.authorTerzioğlu, Cabir
dc.contributor.authorÖztürk, Özberk
dc.contributor.authorAltıntaş, Sevgi Polat
dc.date.accessioned2024-02-08T07:47:30Z
dc.date.available2024-02-08T07:47:30Z
dc.date.issued2022en_US
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.descriptionThis work was supported by the Bolu Abant Izzet Baysal University Foundation through the project 2021.03.021485.en_US
dc.description.abstractThe influence of iron content on the structural, microstructural, magnetic, and electrical-transport features of the ceramic perovskite manganites of the form La0.8Sr0.2Mn1-xFexO3 (x=0.0, 0.05, 0.1, and 0.2) was investigated. A single phase of rhombohedral-distorted structure with an R c space group was confirmed for all synthesized ceramic samples. The microstructures of the manganite ceramics were improved by iron substitution. The magnetic and electrical-transport studies show that samples with x=0.0, 0.05, and 0.1 display phase transitions from ferromagnetic to paramagnetic state and metallic to insulating one with increasing temperature. The phase transition temperatures, i.e., Curie temperature, TC, and the resistance transition temperature TMI, are found to be lowered with the increase in the Fe concentration. The temperature coefficient of resistance (TCR) value for the x=0.0 sample is obtained similar to 2.16% K-1 and slightly decreased to similar to 1.55% K-1 with a 5% Fe substituted sample. As x rise to 0.1, we obtain the maximum TCR value of similar to 8.23% K-1. At the same time, the maximum magnetoresistance is obtained as 48.1% at 233 K for the x=0.1 sample. One of the most important findings in this paper is that Fe substitution is very useful for improving magneto-electrical features of the La0.8Sr0.2MnO3 ceramics. Moreover, to better understand the temperature dependence of the electrical resistivity data, the experimental findings were fitted to the equations of several models.en_US
dc.description.sponsorshipBolu Abant Izzet Baysal University Foundation [2021.03.021485]en_US
dc.identifier.citationKaradavut, S., Denbri, F., Terzioglu, C., Ozturk, O., & Altintas, S. P. (2022). Enhancing magnetoresistive features of iron-substituted La0· 8Sr0· 2MnO3 ceramic manganites. Ceramics International, 48(20), 29620-29628.en_US
dc.identifier.doi10.1016/j.ceramint.2022.06.216
dc.identifier.endpage29628en_US
dc.identifier.issn0272-8842
dc.identifier.issn1873-3956
dc.identifier.issue20en_US
dc.identifier.scopus2-s2.0-85133283719en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage29620en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.ceramint.2022.06.216
dc.identifier.urihttps://hdl.handle.net/20.500.12491/11991
dc.identifier.volume48en_US
dc.identifier.wosWOS:000848649100003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorTerzioğlu, Cabir
dc.institutionauthorAltıntaş, Sevgi Polat
dc.language.isoenen_US
dc.publisherElsevier Sci LTDen_US
dc.relation.ispartofCeramics Internationalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTransition Elementen_US
dc.subjectTCRen_US
dc.subjectMagnetoresistanceen_US
dc.subjectMagnetizationen_US
dc.subjectPhase Transitionen_US
dc.subjectMagnetic-Propertiesen_US
dc.titleEnhancing magnetoresistive features of iron-substituted La0.8Sr0.2MnO3 ceramic manganitesen_US
dc.typeArticleen_US

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