Magnetic Anisotropy of [Formula Omitted]-MnAl Thin Films

Magnetic Anisotropy of [Formula Omitted]-MnAl Thin Films

The [Formula Omitted]-MnAl alloy exhibits a high magnetic anisotropy energy despite the fact that both Mn and Al elements possess a low spin-orbit coupling constant. To understand the magnetic anisotropy mechanism, a systematic experimental study of the correlation between the magnetic anisotropy co...

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Veröffentlicht in:IEEE transactions on magnetics 2015-11, Vol.51 (11), p.1
Hauptverfasser: Zhao, Siqian, Hozumi, Toshiya, LeClair, Patrick, Mankey, Gary, Suzuki, Takao
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container_issue 11
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creator Zhao, Siqian
Hozumi, Toshiya
LeClair, Patrick
Mankey, Gary
Suzuki, Takao
description The [Formula Omitted]-MnAl alloy exhibits a high magnetic anisotropy energy despite the fact that both Mn and Al elements possess a low spin-orbit coupling constant. To understand the magnetic anisotropy mechanism, a systematic experimental study of the correlation between the magnetic anisotropy constant and the saturation magnetization of the [Formula Omitted]-phase MnAl thin films has been carried out. A torque measurement has been conducted to determine a uniaxial magnetic anisotropy constant [Formula Omitted] at various temperatures from 4 to 400 K. It is found that [Formula Omitted] is linearly dependent on saturation magnetization [Formula Omitted] over the temperature range from 4 to 400 K. This result is at variance with the theoretical predictions.
doi_str_mv 10.1109/TMAG.2015.2436059
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title Magnetic Anisotropy of [Formula Omitted]-MnAl Thin Films
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