Enhancement of the magnetic interfacial exchange energy at a specific interface in NiFe/CoO/Co trilayer thin films via ion-beam modification

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dc.contributor.authorCortie, DLen_AU
dc.contributor.authorTing, YWen_AU
dc.contributor.authorChen, PSen_AU
dc.contributor.authorTan, Xen_AU
dc.contributor.authorLin, KWen_AU
dc.contributor.authorKlose, Fen_AU
dc.date.accessioned2016-06-23T06:38:55Zen_AU
dc.date.available2016-06-23T06:38:55Zen_AU
dc.date.issued2014-01-01en_AU
dc.date.statistics2016-06-23en_AU
dc.description.abstractA series of ferromagnetic Ni 80Fe20(55 nm)/antiferromagnetic CoO (25 to 200 nm)/ferromagnetic Co (55 nm)/SiO2(substrate) trilayer thin films were fabricated by ion-beam assisted deposition in order to understand the role of ion beam modification on the interfacial and interlayer coupling. The microstructural study using transmission electron microscopy, X-ray reflectometry, and polarised neutron reflectometry showed that ion-beam modification during the deposition process led to an oxygen-rich Co/CoO nanocomposite interface region at the bottom layer. This interface caused a high exchange bias field for the ferromagnetic cobalt. However, the exchange bias for top permalloy ferromagnet remained low, in line with expectations from the literature for the typical interfacial energy. This suggest that the ion-beam enhancement of the magnetic exchange bias is localized to the Co/CoO interface where local microstructural effects provide the dominant mechanism. © 2020 AIP Publishing LLCen_AU
dc.identifier.articlenumber73901en_AU
dc.identifier.citationCortie, D. L., Ting, Y.-W., Chen, P.-S., Tan, X., Lin, K.-W., & Klose, F. (2014). Enhancement of the magnetic interfacial exchange energy at a specific interface in NiFe/CoO/Co trilayer thin films via ion-beam modification. Journal of Applied Physics, 115(7), 073901. doi:10.1063/1.4865569en_AU
dc.identifier.govdoc6751en_AU
dc.identifier.issn1089-7550en_AU
dc.identifier.issue7en_AU
dc.identifier.journaltitleJournal of Applied Physicsen_AU
dc.identifier.urihttp://dx.doi.org/10.1063/1.4865569en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/7072en_AU
dc.identifier.volume115en_AU
dc.language.isoenen_AU
dc.publisherAIP Scitationen_AU
dc.subjectFerromagnetismen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectThin filmsen_AU
dc.subjectNanocompositesen_AU
dc.subjectIon beamsen_AU
dc.subjectElectron microscopyen_AU
dc.titleEnhancement of the magnetic interfacial exchange energy at a specific interface in NiFe/CoO/Co trilayer thin films via ion-beam modificationen_AU
dc.typeJournal Articleen_AU
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