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Spin current generation from sputtered Y$$_{3}$$Fe$$_{5}$$O$$_{12}$$ films

Y$$_{3}$$Fe$$_{5}$$O$$_{12}$$スパッタ膜でのスピン流生成

Lustikova, J.*; 塩見 雄毅*; Qiu, Z.*; 吉川 貴史*; 井口 亮*; 内田 健一*; 齊藤 英治

Lustikova, J.*; Shiomi, Yuki*; Qiu, Z.*; Kikkawa, Takashi*; Iguchi, Ryo*; Uchida, Kenichi*; Saito, Eiji

Spin current injection from sputtered yttrium iron garnet (YIG) films into an adjacent platinum layer has been investigated by means of the spin pumping and the spin Seebeck effects. Films witha thickness of 83 and 96 nanometers were fabricated by on-axis magnetron rf sputtering at room temperature and subsequent post-annealing. From the frequency dependence of the ferromagneticresonance linewidth, the damping constant has been estimated to be (7.0$$pm$$1.0) $$times$$ 10$$^{-4}$$. Magnitudes of the spin current generated by the spin pumping and the spin Seebeck effect are ofthe same order as values for YIG films prepared by liquid phase epitaxy. The efficient spin current injection can be ascribed to a good YIG/Pt interface, which is confirmed by the large spin-mixingconductance (2.0 $$pm$$ 0.2) $$times$$ 10$$^{18}$$ m$$^{-2}$$.

使用言語

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English

掲載資料名

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Journal of Applied Physics

巻

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116

号

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15

ページ数

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p.153902_1 - 053902_6

発行年月

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2014/10

発表会議名

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開催年月

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開催都市

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開催国

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キーワード

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no keyword

特許データ

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PDF

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論文URL

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https://doi.org/10.1063/1.4898161

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使用施設

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広報プレスリリース

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論文解説記事
(成果普及情報誌)

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受委託・共同研究相手機関

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Access

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- Accesses

InCites™

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パーセンタイル：86.66

分野：Physics, Applied

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