Hydrogen-driven switching of the magnetic surface anisotropy at the Co/Pd interface

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dc.contributor.authorCauser, GLen_AU
dc.contributor.authorKostylev, Men_AU
dc.contributor.authorCortie, DLen_AU
dc.contributor.authorWang, XLen_AU
dc.contributor.authorKlose, Fen_AU
dc.date.accessioned2023-11-08T04:59:30Zen_AU
dc.date.available2023-11-08T04:59:30Zen_AU
dc.date.issued2019-03-05en_AU
dc.date.statistics2023-10-31en_AU
dc.description.abstractHeterostructures exhibiting perpendicular magnetic anisotropy (PMA) have proven to be indispensable within the magnetic recording industry. By exploiting the hydrogen-induced modifications to PMA which occur exclusively at the ferromagnetic/Pd interface, an opportunity exists to expand the potential applications of PMA-based heterostructures into the realm of hydrogen sensing using ferromagnetic resonance (FMR) - an electron-spin based technology. Here, we present an interface-resolved in-operando study of a Co/Pd film which features tailorable PMA in the presence of hydrogen gas. We combine polarized neutron reflectometry with in-situ FMR to explore the nanoscopic interactions of hydrogen at the Co/Pd interface which affects the spin-resonance condition during hydrogen cycling. Key experimental data and theoretical modelling reveal that the interfacial PMA of the Co/Pd film suppresses non-reversibly upon primary exposure to hydrogen gas – highlighting a potential avenue for spintronics-based hydrogen sensing.en_AU
dc.description.sponsorshipThe Australian Government Research Training Program Award and the Australian Institute of Nuclear Science and Engineering Postgraduate Research Award.en_AU
dc.identifier.articlenumberF39.00011en_AU
dc.identifier.citationCauser, G., Kostylev, M., Cortie, D., Wang, X., & Klose, F. (2019). Hydrogen-driven switching of the magnetic surface anisotropy at the Co/Pd interface. Presentation to the APS March Meeting 2019, Boston, Massachusetts, USA, 4-8 March 2019. In Bulletin of the American Physical Society, 64, (2), F39.00011. Retrieved from: https://meetings.aps.org/Meeting/MAR19/Session/F39.11en_AU
dc.identifier.conferenceenddate2019-03-08en_AU
dc.identifier.conferencenameAPS March Meeting 2019en_AU
dc.identifier.conferenceplaceBoston, Massachusetts, USAen_AU
dc.identifier.conferencestartdate2019-03-04en_AU
dc.identifier.issn0003-0503en_AU
dc.identifier.issue2en_AU
dc.identifier.journaltitleBulletin of the American Physical Societyen_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15187en_AU
dc.identifier.volume64en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.relation.urihttps://meetings.aps.org/Meeting/MAR19/Session/F39.11en_AU
dc.subjectHydrogenen_AU
dc.subjectMagnetic surfacesen_AU
dc.subjectAnisotropyen_AU
dc.subjectInterfacesen_AU
dc.subjectFerromagnetic materialsen_AU
dc.subjectElectron spin resonanceen_AU
dc.subjectNeutron reflectorsen_AU
dc.titleHydrogen-driven switching of the magnetic surface anisotropy at the Co/Pd interfaceen_AU
dc.typeConference Abstracten_AU
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