Article (Scientific journals)
Impact of crystalline anisotropy on the extrinsic spin Hall effect in ultrathin films
Herschbach, Christian; Fedorov, Dmitry; Gradhand, Martin et al.
2020In Physical Review. B, 102, p. 104421
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Keywords :
Spin Hall effect; Ultrathin films; Spintronics
Abstract :
[en] An efficient conversion of a charge current into a spin current is a crucial point for application of the spin Hall effect in practical spintronic devices. Recently, we revealed that this goal can be achieved by using ultrathin fcc (111) and (001) noble metal films doped with Bi impurities, which possess spin Hall angles up to 80%. Here, we show that the effect can be further amplified in monolayer films with a strong crystalline anisotropy. This is demonstrated by considering noble metal films with fcc (110) geometry. Our theoretical study predicts related spin Hall angles exceeding 100% especially when the crystalline anisotropy is increased, which tunes the Fermi surface topology.
Disciplines :
Physics
Author, co-author :
Herschbach, Christian
Fedorov, Dmitry ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
Gradhand, Martin
Mertig, Ingrid
External co-authors :
yes
Language :
English
Title :
Impact of crystalline anisotropy on the extrinsic spin Hall effect in ultrathin films
Publication date :
2020
Journal title :
Physical Review. B
ISSN :
2469-9969
Publisher :
American Physical Society
Volume :
102
Pages :
104421
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
Available on ORBilu :
since 18 December 2020

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