This title appears in the Scientific Report :
2022
Please use the identifier:
http://hdl.handle.net/2128/32444 in citations.
Please use the identifier: http://dx.doi.org/10.1103/PhysRevResearch.4.L042022 in citations.
Hidden interplay of current-induced spin and orbital torques in bulk Fe 3 GeTe 2
Hidden interplay of current-induced spin and orbital torques in bulk Fe 3 GeTe 2
Low crystal symmetry of magnetic van der Waals materials naturally promotes spin-orbital complexityunachievable in common magnetic materials used for spin-orbit torque switching. Here, using first-principlesmethods, we demonstrate that an interplay of spin and orbital degrees of freedom has a profou...
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Personal Name(s): | Saunderson, Tom G. (Corresponding author) |
---|---|
Go, Dongwook / Blügel, Stefan / Kläui, Mathias / Mokrousov, Yuriy | |
Contributing Institute: |
Quanten-Theorie der Materialien; IAS-1 JARA - HPC; JARA-HPC JARA-FIT; JARA-FIT Quanten-Theorie der Materialien; PGI-1 |
Published in: | Physical review research, 4 (2022) 4, S. L042022 |
Imprint: |
College Park, MD
APS
2022
|
DOI: |
10.1103/PhysRevResearch.4.L042022 |
Document Type: |
Journal Article |
Research Program: |
Topological Matter |
Link: |
OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.1103/PhysRevResearch.4.L042022 in citations.
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520 | |a Low crystal symmetry of magnetic van der Waals materials naturally promotes spin-orbital complexityunachievable in common magnetic materials used for spin-orbit torque switching. Here, using first-principlesmethods, we demonstrate that an interplay of spin and orbital degrees of freedom has a profound impact onspin-orbit torques in the prototypical van der Waals ferromagnet Fe 3 GeTe 2 . While we show that bulk Fe 3 GeTe 2hosts strong “hidden” current-induced torques harvested by each of its layers, we uncover that their originalternates between the conventional spin flux torque and the so-called orbital torque as the magnetizationdirection is varied. A drastic difference in the behavior of the two types of torques results in a nontrivial evolutionof switching properties with doping. Our findings promote the design of nonequilibrium orbital properties as theguiding mechanism for crafting the properties of spin-orbit torques in layered van der Waals materials. | ||
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