Enhanced spin-orbit torques in rare-earth Pt/[Co/Ni]2/Co/Tb systems

Enhanced spin-orbit torques in rare-earth Pt/[Co/Ni]2/Co/Tb systems

We report the enhanced spin-orbit torque (SOT) effect due to the rare-earth metal Tb in a Pt/[Co/Ni]2/Co/Tb multilayer with perpendicular magnetic anisotropy (PMA). Due to the large spin-orbit coupling in Tb, the effective dampinglike efficiency, ξeffDL, is determined to be 0.55 for 9-nm Tb as compa...

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Bibliographic Details
Main Authors: Lew, Wen Siang, Wong, Qi Ying, Murapaka, Chandrasekhar, Law, Wai Cheung, Gan, Wei Liang, Lim, Gerard Joseph
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2019
Subjects:
Magnetism
Materials Science
DRNTU::Science::Physics
Online Access:https://hdl.handle.net/10356/85743
http://hdl.handle.net/10220/48233
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Institution: Nanyang Technological University
Language: English

Internet

https://hdl.handle.net/10356/85743
http://hdl.handle.net/10220/48233

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