Key role of central antimony in magnetization of Ni 0.5 Co 1.5 MnSb quaternary Heusler alloy revealed by comparison between theory and experiment

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dc.authorid0000-0003-3238-4638en_US
dc.contributor.authorŞarlı, Numan
dc.contributor.authorAk, Fermin
dc.contributor.authorÖzdemir, Evren Görkem
dc.contributor.authorSaatçi, Buket
dc.contributor.authorMerdan, Ziya
dc.date.accessioned2021-08-26T07:29:55Z
dc.date.available2021-08-26T07:29:55Z
dc.date.issued2019en_US
dc.departmentMTÖ Üniversitesi, Darende Meslek Yüksekokulu, Tıbbi Hizmetler ve Teknikler Bölümüen_US
dc.description.abstractTemperature dependent magnetization of Ni0.5Co1.5MnSb quaternary Heusler alloy is investigated both theoretically (m-T) and experimentally (M-T). According to the XRD data, the crystal structure of Ni0.5Co1.5MnSb is compatible with the cubic crystal structure with space group symmetry Fm-3m and the lattice parameter of a?=?5.968?Å. Experimental M-T curve is obtained at H?=?1?T. The Curie temperature is obtained at about TCEXP?=?538.3?K. We also use effective field theory (EFT) developed by Kaneyoshi to model and investigate the m-T properties of Ni0.5Co1.5MnSb. We find that the theoretical m-T and experimental M-T results overlap at low temperatures (T?<?100?K). Additionally, the Curie temperature of Ni0.5Co1.5MnSb is obtained at TCEFT?=?548.1?K and H?=?0?T. The discrepancy between the theoretical and experimental value of TC is found to be 9.8?K only. One remarkable outcome of this study is that the central antimony (Sb3) atom has an important role when comparing the theoretical m-T and experimental M-T results of the Ni0.5Co1.5MnSb at high temperatures (T?>?100?K). In particular, the theoretical mSb3-T curve of the central Sb3 atom is much closer to the experimental M-T curve of Ni0.5Co1.5MnSb than that of the other components (mMn1, mMn2, mMn3, mSb1, mSb2, mNi and mCo). Therefore, we strongly propose that one needs to pay close attention to the magnetization of the central atom especially in the lattice of Heusler alloys in both their predictive and experimental studies.en_US
dc.identifier.citationŞarlı, N., Ak, F., Özdemir, E. G., Saatçi, B., & Merdan, Z. (2019). Key role of central antimony in magnetization of Ni0. 5Co1. 5MnSb quaternary Heusler alloy revealed by comparison between theory and experiment. Physica B: Condensed Matter, 560, 46-50.en_US
dc.identifier.doi10.1016/j.physb.2019.02.031
dc.identifier.endpage5en_US
dc.identifier.issn0921-4526en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage46en_US
dc.identifier.urihttps://doi.org/10.1016/j.physb.2019.02.031
dc.identifier.urihttps://hdl.handle.net/20.500.12899/364
dc.identifier.volume560en_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorAk, Fermin
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofPhysica B: Condensed Matteren_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectQuaternary Heusler alloyen_US
dc.subjectNi0.5Co1.5MnSben_US
dc.subjectAntimonyen_US
dc.subjectMagnetizationen_US
dc.subjectEffective field theoryen_US
dc.titleKey role of central antimony in magnetization of Ni 0.5 Co 1.5 MnSb quaternary Heusler alloy revealed by comparison between theory and experimenten_US
dc.typeArticleen_US

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