Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session A56: Spin transport and spin-orbitronics
8:00 AM–11:00 AM,
Monday, March 6, 2023
Room: Room 304
Sponsoring
Unit:
GMAG
Chair: Joe Paddison, Oak Ridge National Lab
Abstract: A56.00003 : Intrinsic Torques Emerging from Anomalous Velocity in Magnetic Textures
8:48 AM–9:00 AM
Presenter:
Yasufumi Araki
(Japan Atomic Energy Agency)
Authors:
Yasufumi Araki
(Japan Atomic Energy Agency)
Jun'ichi Ieda
(Japan Atomic Energy Agency)
We also present our experimental verification of the THT in a ferromagnetic oxide SrRuO3 (SRO) [2]. We measured the current-induced torque exerted on a magnetic domain wall prepared in a film of SRO, which revealed a nonmonotonic temperature dependence and a large magnitude that cannot be described by the conventional STT. Those unconventional behaviors are successfully described by the THT, in connection with the large Berry curvature of the Weyl fermions present in SRO.
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