Magnetic Anisotropy, Interfacial Hybridization, and Orbital Magnetic Moment in Co/Pt Multilayers

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• The interfacial magnetic and electronic states of Co/Pt multilayers have been studied by soft x-ray magnetic circular dichroism (SXMCD) measurements. The Co L2, 3 and M2, 3 SXMCD data reveal a strongly enhanced perpendicular Co orbital moment in multilayers which show perpendicular magnetic anisotropy (PMA). Large SXMCD signals were observed also at the Pt N6, 7 and O2, 3 edges, showing a strong interfacial Pt 5d-Co 3d hybridization. Evidence is presented for a transition from fcc to hcp Co with increasing Co-layer thickness. All these observaed effects are shown to drive PMA.

• 社団法人 日本磁気学会の論文

社団法人 日本磁気学会 | 論文

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