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Controllable magnetic domains in twisted trilayer magnets

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Title
Controllable magnetic domains in twisted trilayer magnets
Author(s)
Kyoung-Min Kim; Park, Moon Jip
Publication Date
2023-09
Journal
Physical Review B, v.108, no.10
Publisher
American Physical Society
Abstract
The use of moiré patterns to manipulate two-dimensional materials has facilitated new possibilities for controlling material properties. The moiré patterns in the two-dimensional magnets can cause peculiar spin texture, as shown by previous studies focused on twisted bilayer systems. In our study, we develop a theoretical model to investigate the magnetic structure of twisted trilayer magnets. Unlike the twisted bilayer, the twisted trilayer magnet has four different local stacking structures distinguished by the interlayer couplings between the three layers. Our results show that the complex interlayer coupling effects in the moiré superlattice can lead to the stabilization of rich magnetic domain structures; these structures can be significantly manipulated by adjusting the twist angle. Additionally, external magnetic fields can easily manipulate these domain structures, indicating potential applications in magnetic devices. © 2023 American Physical Society.
URI
https://pr.ibs.re.kr/handle/8788114/14076
DOI
10.1103/PhysRevB.108.L100401
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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