Joule Heating Effect on Field-Free Magnetization Switching by Spin-Orbit Torque in Exchange-Biased Systems | Zendy

Seyed Armin Razavi | Zendy; Di Wu | Zendy; Guoqiang Yu | Zendy; YongChang Lau | Zendy; Kin Wong | Zendy; Weihua Zhu | Zendy; Congli He | Zendy; Zongzhi Zhang | Zendy; J. M. D. Coey | Zendy; Plamen Stamenov | Zendy; Pedram Khalili Amiri | Zendy; Kang L. Wang | Zendy

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Joule Heating Effect on Field-Free Magnetization Switching by Spin-Orbit Torque in Exchange-Biased Systems

Author(s) -

Seyed Armin Razavi,

Di Wu,

Guoqiang Yu,

YongChang Lau,

Kin Wong,

Weihua Zhu,

Congli He,

Zongzhi Zhang,

J. M. D. Coey,

Plamen Stamenov,

Pedram Khalili Amiri,

Kang L. Wang

Publication year - 2017

Publication title -

physical review applied

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.883

H-Index - 75

eISSN - 2331-7043

pISSN - 2331-7019

DOI - 10.1103/physrevapplied.7.024023

Subject(s) - joule heating , magnetization , condensed matter physics , torque , orbit (dynamics) , field (mathematics) , joule (programming language) , magnetoresistive random access memory , exchange bias , switching time , spin (aerodynamics) , magnetic field , materials science , current (fluid) , physics , optoelectronics , computer science , magnetic anisotropy , random access memory , engineering , quantum mechanics , thermodynamics , aerospace engineering , mathematics , power (physics) , pure mathematics , computer hardware

Deterministic switching of magnetization via spin-orbit torque, without an external magnetic field, is an attractive approach for nonvolatile memory and logic devices. This can be accomplished using in-plane exchange bias instead of an applied field. The authors study the mechanism of this switching, and expose the importance of Joule heating: Field-free current-driven switching is achieved in experiments, but care must be taken so that heating does not decrease exchange bias and spoil the switching.

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