Coercivity and exchange bias in ti-doped maghemite nanoparticles

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dc.authoridBashar Issa / 0000-0002-2044-7577en_US
dc.authorscopusidBashar Issa / 57220433536en_US
dc.authorwosidBashar Issa / GQF-7105-2022en_US
dc.contributor.authorNarayanaswamy, Venkatesha
dc.contributor.authorAl-Omari, Imaddin A.
dc.contributor.authorKamzin, Aleksandr S.
dc.contributor.authorKhurshid, Hafsa
dc.contributor.authorKhaleel, Abbas
dc.contributor.authorIssa, Bashar
dc.contributor.authorObaidat, Ihab M.
dc.date.accessioned2023-08-31T12:15:53Z
dc.date.available2023-08-31T12:15:53Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Biyomedikal Mühendisliği Bölümüen_US
dc.description.abstractTi-doped maghemite nanoparticles of average crystallite size 12.9 nm were synthesized using the sol-gel method. The XRD profile mainly showed the presence of maghemite phase with very small phases of TiO2 (rutile and anatase). Magnetization hysteresis loops of the nanoparticles were obtained between -4 T to +4 T at temperatures of 2, 10, 30, 50, 70, 100, 150, 200, and 300 K under field cooling (FC) of 1, 2, 3, and 4 T and zero-field cooling conditions (ZFC). The coercivity displayed nonmonotonic field dependence while it decreased sharply with temperature and vanished at 150 K at all fields. Horizontal hysteresis loop shifts were observed in the 2-150 K temperature range in both the ZFC and FC conditions. The exchange bias effect became negligible in both ZFC and FC states above 50 K. Magnetization vs. applied field measurements were conducted in both ZFC and FC cooled conditions at several temperatures in the range of 2-400 K, with spin freezing being observed below 50 K. The exchange bias effect obtained below 50 K is suggested to be attributed to the competing roles of the long-range dipolar and short-range exchange coupled interactions.en_US
dc.identifier.citationNarayanaswamy, V., Al-Omari, I. A., Kamzin, A. S., Khurshid, H., Khaleel, A., Issa, B., & Obaidat, I. M. (2022). Coercivity and Exchange Bias in Ti-Doped Maghemite Nanoparticles. Magnetochemistry, 8(12), 165.en_US
dc.identifier.doi10.3390/magnetochemistry8120165en_US
dc.identifier.issn2312-7481en_US
dc.identifier.issue12en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttp://dx.doi.org/10.3390/magnetochemistry8120165
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3967
dc.identifier.volume8en_US
dc.identifier.wosWOS:000902578300001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorIssa, Bashar
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.relation.ispartofMagnetochemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectExchange Biasen_US
dc.subjectCoercivityen_US
dc.subjectMagnetizationen_US
dc.subjectMaghemiteen_US
dc.subjectNanoparticlesen_US
dc.subjectSpin Glassen_US
dc.titleCoercivity and exchange bias in ti-doped maghemite nanoparticlesen_US
dc.typeArticleen_US

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