Toward 100% Spin-Orbit Torque Efficiency with High Spin-Orbital Hall Conductivity Pt-Cr Alloys

5d transition metal Pt is the canonical spin Hall material for efficient generation of spin-orbit torques (SOTs) in Pt/ferromagnetic layer (FM) heterostructures. However, for a long while with tremendous engineering endeavors, the damping-like SOT efficiencies (\({\xi}_{DL}\)) of Pt and Pt alloys ha...

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Veröffentlicht in:	arXiv.org 2022-04
Hauptverfasser:	Hu, Chen-Yu, Chiu, Yu-Fang, Tsai, Chia-Chin, Huang, Chao-Chung, Chen, Kuan-Hao, Peng, Cheng-Wei, Lee, Chien-Min, Song, Ming-Yuan, Huang, Yen-Lin, Lin, Shy-Jay, Pai, Chi-Feng
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloying elements Chromium Damping Ferromagnetic materials Heterostructures Physics - Materials Science Platinum base alloys Power consumption Torque Transition metals
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	5d transition metal Pt is the canonical spin Hall material for efficient generation of spin-orbit torques (SOTs) in Pt/ferromagnetic layer (FM) heterostructures. However, for a long while with tremendous engineering endeavors, the damping-like SOT efficiencies (\({\xi}_{DL}\)) of Pt and Pt alloys have still been limited to \({\xi}_{DL}\)
ISSN:	2331-8422
DOI:	10.48550/arxiv.2108.13857