Elusive Dzyaloshinskii-Moriya interaction in monolayer Fe3GeTe2

Authors
Laref, SlimaneKim, Kyoung-WhanManchon, Aurelien
Issue Date
2020-08-05
Publisher
AMER PHYSICAL SOC
Citation
Physical Review B, v.102, no.6
Abstract
Using symmetry analysis and density functional theory calculations, we uncover the nature of the Dzyaloshinskii-Moriya interaction in monolayer Fe3GeTe2. We show that while such an interaction might result in small distortions of the magnetic texture in the short range, in the long range it favors in-plane Ned spin spirals along equivalent directions of the crystal structure. Whereas our results show that the observed Ned skyrmions cannot be explained by the Dzyaloshinskii-Moriya interaction at the monolayer level, they suggest that a canted magnetic texture shall arise at the boundary of Fe3GeTe2 nanoflakes or nanoribbons and, most interestingly, that homochiral planar magnetic textures could be stabilized.
Keywords
FERROMAGNETISM; FERROMAGNETISM; Dzyaloshinskii-Moriya interaction
ISSN
2469-9950
URI
https://pubs.kist.re.kr/handle/201004/118268
DOI
10.1103/PhysRevB.102.060402
Appears in Collections:
KIST Article > 2020
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