Interlayer Exchange Coupling Between Fe and GaMnAs Ferromagnetic Semiconductor

Tivakornsasithorn, Kritsanu; Lee, Sangyeop; Bac, Seul-Ki; Choi, Seonghoon; Lee, Sanghoon; Liu, Xinyu; Dobrowolska, Margaret; Furdyna, Jacek K.

doi:10.1109/TMAG.2018.2859790

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Interlayer Exchange Coupling Between Fe and GaMnAs Ferromagnetic Semiconductor

Tivakornsasithorn, Kritsanu;
Lee, Sangyeop;
Bac, Seul-Ki;
Choi, Seonghoon;
Lee, Sanghoon;
외 3명

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초록

Interlayer exchange coupling (IEC) between ferromagnetic (FM) metal Fe and FM semiconductor GaMnAs has been investigated by using magnetotransport measurements. The realization of diverse magnetization alignments, including collinear and non-collinear configurations, between Fe and GaMnAs layers are observed during the magnetization reversal process measured by the planar Hall effect. Minor loop scan reveals the presence of FM IEC between Fe and GaMnAs, which systematically decreases as the temperature increases.

키워드

Ferromagnetic (FM) films; interlayer exchange coupling (IEC); magnetic anisotropy; planar Hall effect; MAGNETIC-ANISOTROPY; MAGNETOTRANSPORT; TEMPERATURE; FILMS

제목: Interlayer Exchange Coupling Between Fe and GaMnAs Ferromagnetic Semiconductor

저자: Tivakornsasithorn, Kritsanu; Lee, Sangyeop; Bac, Seul-Ki; Choi, Seonghoon; Lee, Sanghoon; Liu, Xinyu; Dobrowolska, Margaret; Furdyna, Jacek K.

DOI: 10.1109/TMAG.2018.2859790

발행일: 2019-02

유형: Article

저널명: IEEE Transactions on Magnetics

권: 55

호: 2