Thickness and Temperature Dependence of Exchange Bias in Co/CoO Bilayers

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dc.contributor.authorDemirci, E.
dc.contributor.authorOzturk, M.
dc.contributor.authorTopkaya, R.
dc.contributor.authorKazan, S.
dc.contributor.authorAkdogan, N.
dc.contributor.authorObaida, M.
dc.contributor.authorWesterholt, K.
dc.date.accessioned2025-10-29T11:31:23Z
dc.date.issued2012
dc.departmentFakülteler, Temel Bilimler Fakültesi, Fizik Bölümü
dc.descriptionInternational Conference on Nanoscale Magnetism (ICNM) -- SEP 28-OCT 02, 2010 -- Gebze-Istanbul, TURKEY
dc.description.abstractThe effects of the ferromagnetic (FM) Co layer thickness on magnetic anisotropies and exchange bias (EB) properties of Co/CoO bilayers have been investigated by using ferromagnetic resonance (FMR) and vibrating sample magnetometer (VSM) techniques. The temperature and thickness dependence of EB were studied in temperature range of 4-320 K. FMR and VSM measurements show that Co/CoO bilayers exhibit negative exchange bias just below the blocking temperature (T (B)). Room-temperature in-plane FMR measurements reveal that the Co layer was epitaxially grown on MgO substrate with four-fold magneto-crystalline symmetry. The data also show that the easy axis of magnetization is in the film plane and parallel to the aOE (c) 110 > crystallographic directions of MgO substrate in all samples.
dc.description.sponsorshipDPT (State Planning Organization of Turkey) [2009K120730]
dc.description.sponsorshipTUBITAK-RFBR [209T061]
dc.description.sponsorshipDFG [SFB 491]
dc.description.sponsorshipThis work was partially supported by DPT (State Planning Organization of Turkey) through the Project No. 2009K120730, TUBITAK-RFBR through the Project No. 209T061 and DFG through SFB 491.
dc.identifier.doi10.1007/s10948-011-1226-1
dc.identifier.endpage2595
dc.identifier.issn1557-1939
dc.identifier.issn1557-1947
dc.identifier.issue8
dc.identifier.orcid0000-0001-8469-5919
dc.identifier.orcid0000-0002-4564-3435
dc.identifier.orcid0000-0002-8183-5733
dc.identifier.orcid0000-0001-5626-5292
dc.identifier.orcid0000-0002-4499-5041
dc.identifier.scopus2-s2.0-84870240398
dc.identifier.scopusqualityQ2
dc.identifier.startpage2591
dc.identifier.urihttps://doi.org/10.1007/s10948-011-1226-1
dc.identifier.urihttps://hdl.handle.net/20.500.14854/12017
dc.identifier.volume25
dc.identifier.wosWOS:000311297700008
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofJournal of Superconductivity and Novel Magnetism
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20251020
dc.subjectMagnetic-Anisotropy
dc.subjectFerromagnetic-Resonance
dc.subjectFilms
dc.titleThickness and Temperature Dependence of Exchange Bias in Co/CoO Bilayers
dc.typeConference Object

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