Interfacial perpendicular magnetic anisotropy in Co2FeSi alloy films sandwiched by Pt and MgAl2O4

Ke Wang,Zikun Xu,Lin Yu,Mingzhi Zhang,Xitao Guo

Journal of Magnetism and Magnetic Materials（2022）

引用 3|浏览2

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摘要

•PMA is built in sputtered Pt/CFS/MAO stacks with CFS thickness ranged from 3.5 to 5.5 nm.•An interfacial perpendicular magnetic anisotropy of 1.32 erg/cm2 is obtained.•Positive contributions to the PMA from Pt/CFS and CFS/MAO/Pt interfaces are experimentally confirmed.•Significantly improved crystallinity of Pt layers and CoPt alloy may additionally contribute to the PMA.

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关键词

Perpendicular magnetic properties,Co2FeSi,MgAl2O4,Interfaces,Annealing effect,Spintronic devices

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