Angular momentum conversion among spin and mechanical motion

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K05153
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Condensed matter physics II
• Research Institution: Tohoku University (2017); Japan Atomic Energy Agency (2015-2016)
• Principal Investigator: Matsuo Mamoru 東北大学, 材料科学高等研究所, 助教 (80581090)
• Co-Investigator(Kenkyū-buntansha): 小野 正雄 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 先端基礎研究センター, 研究副主幹 (50370375)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: スピン流

Outline of Final Research Achievements

We developed a microscopic theory of spin-current generation via the spin-vorticity coupling arising from fluid and elastic motion. Based on this theoretical prediction, we experimantally demonstrated the spin current generation from liquid metal motion and that from elastic motion in the presence of the surface acoustic wave. We also developed a microscopic theory of spin-current noise at the magnetic interface.

Free Research Field

スピントロニクス