Spin transfer switching in current-perpendicular-to-plane spin valve observed by magneto-optical Kerr effect using visible light

Ken Ichi Aoshima, Nobuhiko Funabashi, Kenji MacHida, Yasuyoshi Miyamoto, Norikazu Kawamura, Kiyoshi Kuga, Naoki Shimidzu, Fumio Sato, Takashi Kimura, Yoshichika Otani

研究成果: Contribution to journalArticle

30 引用 (Scopus)

抜粋

The authors have succeeded in optically observing the spin transfer switching (STS) in a current-perpendicular-to-plane spin-valve device. The device consists of three spin-valve elements, each of which comprises of a transparent top electrode, free and pinned magnetic layers separated by a copper spacer, and a bottom copper electrode. Despite a relatively large device resistance, spin transfer switching of the free layer was carried out using the spin injection from the transparent top electrode. Magneto-optical Kerr effect measurements performed through the transparent top electrode show clear changes in the signal synchronized with the resistance change as a result of the STS.

元の言語英語
記事番号052507
ジャーナルApplied Physics Letters
91
発行部数5
DOI
出版物ステータス出版済み - 8 10 2007
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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  • これを引用

    Aoshima, K. I., Funabashi, N., MacHida, K., Miyamoto, Y., Kawamura, N., Kuga, K., Shimidzu, N., Sato, F., Kimura, T., & Otani, Y. (2007). Spin transfer switching in current-perpendicular-to-plane spin valve observed by magneto-optical Kerr effect using visible light. Applied Physics Letters, 91(5), [052507]. https://doi.org/10.1063/1.2767770