研究会・イベント
Xiaofeng Jin Special Lecture「Generation and Detection of Pure Spin Current in an H-shape Structure of a Single Metal」
日時 | 2018年8月27日(月)14:00〜 |
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場所 | 片平キャンパス知の館3階 講義室 https://www.tohoku.ac.jp/japanese/profile/campus/01/katahira/areab.html |
対象 | |
内容 | Distinct from all the existing methods for determining spin Hall angle with bilayers, we have developed a new approach based on the mesoscopic H-shape structure, which generates and detects pure spin current in a single metal. Using this approach we have unequivocally addressed the long-standing controversy of the magnitude of the spin Hall angle of gold. By exploiting the long spin diffusion length of Cu and the large spin-orbit coupling of Bi, we have realized very large spin Hall effect in 10 nm Cu films δ-doped with 0.15 nm of Bi. This new artificial material can generate a large spin orbit torque to switch an adjacent Fe layer. We have thus demonstrated new artificial materials with simultaneously large spin Hall angle and long spin diffusion length. |
申し込み | 不要 |
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問い合わせ先 | ERATO-SQR HQ sqr-erato_at_wpi-aimr.tohoku.ac.jp(_at_を@に変えてください) Phone: 022-217-6238 |