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Enhancement of ferromagnetic resonance in Al 2 O 3 -doped Co 2 FeAl Heusler alloy film prepared by oblique sputtering

李山东、蔡志义、徐洁、曹晓琴、杜洪磊、薛倩、高小洋、谢施名

2014中国物理B：英文版Materials Science被引 1

摘要

Large and variable in-plane uniaxial magnetic anisotropy in a nanocrystalline(Co2FeAl)97.8(Al2O3)2.2soft magnetic thin film is obtained by an oblique sputtering method without being induced by magnetic field or post annealing. The in-plane uniaxial magnetic anisotropy varies from 50 Oe to 180 Oe(1 Oe = 79.5775 A·m-1) by adjusting the sample’s position. As a result, the ferromagnetic resonance frequency of the film increases from 1.9 GHz to 3.75 GHz.

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