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Proximity-Induced Tunable Magnetic Order at the Interface of All-van der Waals-Layered Heterostructures

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Title
Proximity-Induced Tunable Magnetic Order at the Interface of All-van der Waals-Layered Heterostructures
Author(s)
Eun-Mi Choi; Taesoo Kim; Byeong Wook Cho; Young Hee Lee
Publication Date
2023-07
Journal
ACS NANO, v.17, no.16, pp.15656 - 15665
Publisher
AMER CHEMICAL SOC
Abstract
Copyright © 2023 American Chemical Society. Spin-orbit coupling (SOC) plays a crucial rolein controllingthe spin-charge conversion efficiency, spin torque, and complexmagnetic spin structures. In this study, we investigate the interplaybetween SOC and ferromagnetism in heterostructures of large-SOC andmagnetic materials. We highlight the importance of the SOC-proximityeffect on magnetic ordering in all-van der Waals-layered heterostructures,specifically Fe3GeTe2(FGT)/monolayer W1-x V x Se2 (x = 0 and 0.05). By increasing the SOC strength, we demonstratevarious magnetic orderings induced at the interface of the heterostructure,including spin-flop, spin-flip, and inverted magnetization. Moreover,we show a sharp magnetic switching from antiferromagnetic state toferromagnetic state in FGT/W0.95V0.05Se2, which is characteristic of the synthetic antiferromagneticstructure. This proof-of-concept result offers the possibility ofinterface-tailoring spintronics, including two-dimensional magnetoresistiverandom access memory toggle switching. Our findings provide insightinto the design and development of next-generation spintronic devicesby exploiting the interplay between SOC and magnetic ordering in all-vander Waals-layered heterostructures.
URI
https://pr.ibs.re.kr/handle/8788114/13895
DOI
10.1021/acsnano.3c02764
ISSN
1936-0851
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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