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  1. F200 未来材料・システム研究所
  2. F200a 雑誌掲載論文
  3. 学術雑誌

Spin-valve giant magneto-resistance film with magnetostrictive FeSiB amorphous layer and its application to strain sensors

http://hdl.handle.net/2237/00028343
cdfb857e-a32d-40cc-97ec-65a8a82628fc
名前 / ファイル ライセンス アクション
1_5018467.pdf 1_5018467 (1.9 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2018-07-04
タイトル
タイトル Spin-valve giant magneto-resistance film with magnetostrictive FeSiB amorphous layer and its application to strain sensors
著者 Hashimoto, Y.

× Hashimoto, Y.

WEKO 78416

Hashimoto, Y.

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Yamamoto, N.

× Yamamoto, N.

WEKO 78417

Yamamoto, N.

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Kato, T.

× Kato, T.

WEKO 78418

Kato, T.

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Oshima, D.

× Oshima, D.

WEKO 78419

Oshima, D.

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Iwata, S.

× Iwata, S.

WEKO 78420

Iwata, S.

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権利
権利情報 Copyright 2016 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing.The following article appeared in (Journal of Applied Physics. v.123, 2018, p.113903) and may be found at (https://doi.org/10.1063/1.5018467).
抄録
内容記述 Giant magneto-resistance (GMR) spin-valve films with an FeSiB/CoFeB free layer were fabricated to detect applied strain in a GMR device. The magnetostriction constant of FeSiB was experimentally determined to have 32 ppm, which was one order of magnitude larger than that of CoFeB. In order to detect the strain sensitively and robustly against magnetic field fluctuation, the magnetic field modulation technique was applied to the GMR device. It was confirmed that the output voltage of the GMR device depends on the strain, and the gauge factor K = 46 was obtained by adjusting the applied DC field intensity and direction. We carried out the simulation based on a macro-spin model assuming uniaxial anisotropy, interlayer coupling between the free and pin layers, strain-induced anisotropy, and Zeeman energy, and succeeded in reproducing the experimental results. The simulation predicts that improving the magnetic properties of GMR films, especially reducing interlayer coupling, will be effective for increasing the output, i.e., the gauge factor, of the GMR strain sensors.
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2019-03-21
内容記述タイプ Other
出版者
出版者 AIP Publishing
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1063/1.5018467
ISSN
収録物識別子タイプ ISSN
収録物識別子 0021-8979
書誌情報 Journal of Applied Physics

巻 123, 号 11, p. 113903, 発行日 2018-03-21
著者版フラグ
値 publisher
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