Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.physleta.2013.07.001
Title: Bistable perpendicular switching with in-plane spin polarization and without external fields
Authors: Eason, K.
Tan, S.G. 
Jalil, M.B.A. 
Khoo, J.Y.
Keywords: In-plane spin polarization
Micromagnetics
Rashba
SOI
Spin-orbit interactions
Issue Date: 8-Nov-2013
Source: Eason, K., Tan, S.G., Jalil, M.B.A., Khoo, J.Y. (2013-11-08). Bistable perpendicular switching with in-plane spin polarization and without external fields. Physics Letters, Section A: General, Atomic and Solid State Physics 377 (37) : 2403-2407. ScholarBank@NUS Repository. https://doi.org/10.1016/j.physleta.2013.07.001
Abstract: To-date, all experiments switching perpendicular magnetic anisotropy (PMA) materials with in-plane spin polarization require external B-fields. Here, in two approaches, it is shown that with Rashba-type in-plane spin polarization and PMA, bistable switching is achievable without external B-fields, and at currents on the order of 107 A/cm2, consistent with recent experiments. Utilization of PMA is primarily discussed, demonstrating the potential for two possibilities: (1) in-plane polarization as a 'natural' candidate for precessional switching and (2) bistable switching using a tilted anisotropy axis. Both are shown to lead to stable perpendicular switching without an external B-field, even though spin polarization is in-plane. © 2013 Elsevier B.V.
Source Title: Physics Letters, Section A: General, Atomic and Solid State Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/82014
ISSN: 03759601
DOI: 10.1016/j.physleta.2013.07.001
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