Noncollinear Spin Current for Switching of Chiral Magnetic Textures

Go D, Sallermann M, Lux FR, Blügel S, Gomonay O, Mokrousov Y (2022)

Publication Type: Journal article

Publication year: 2022

Journal

Physical Review Letters American Physical Society

Book Volume: 129

Article Number: 097204

Journal Issue: 9

DOI: 10.1103/PhysRevLett.129.097204

Abstract

We propose a concept of noncollinear spin current, whose spin polarization varies in space even in nonmagnetic crystals. While it is commonly assumed that the spin polarization of the spin Hall current is uniform, asymmetric local crystal potential generally allows the spin polarization to be noncollinear in space. Based on microscopic considerations, we demonstrate that such noncollinear spin Hall currents can be observed, for example, in layered Kagome Mn3X (X=Ge, Sn) compounds. Moreover, by referring to atomistic spin dynamics simulations we show that noncollinear spin currents can be used to switch the chiral spin texture of Mn3X in a deterministic way even in the absence of an external magnetic field. Our theoretical prediction can be readily tested in experiments, which will open a novel route toward electric control of complex spin structures in noncollinear antiferromagnets.

Involved external institutions

Forschungszentrum Jülich / Research Centre Jülich (FZJ) DE Germany (DE) Johannes Gutenberg-Universität Mainz (JGU) DE Germany (DE)

How to cite

APA:

Go, D., Sallermann, M., Lux, F.R., Blügel, S., Gomonay, O., & Mokrousov, Y. (2022). Noncollinear Spin Current for Switching of Chiral Magnetic Textures. Physical Review Letters, 129(9). https://dx.doi.org/10.1103/PhysRevLett.129.097204

MLA:

Go, Dongwook, et al. "Noncollinear Spin Current for Switching of Chiral Magnetic Textures." Physical Review Letters 129.9 (2022).

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