2024
DOI: 10.1002/adma.202305739
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Exchange Bias Between van der Waals Materials: Tilted Magnetic States and Field‐Free Spin–Orbit‐Torque Switching

Thow Min Jerald Cham,
Reiley J. Dorrian,
Xiyue S. Zhang
et al.

Abstract: Magnetic van der Waals heterostructures provide a unique platform to study magnetism and spintronics device concepts in the two‐dimensional limit. Here, we report studies of exchange bias from the van der Waals antiferromagnet CrSBr acting on the van der Waals ferromagnet FeGeTe (FGT). The orientation of the exchange bias is along the in‐plane easy axis of CrSBr, perpendicular to the out‐of‐plane anisotropy of the FGT, inducing a strongly tilted magnetic configuration in the FGT. Furthermore, the in‐plane exch… Show more

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Cited by 8 publications
(4 citation statements)
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“…49 In (e), antiferromagnetism and competing anisotropy between CrSBr and Fe 3 GeTe 2 generate tilted magnetic states and an exchange bias along the easy axis of CrSBr. 50 In (f), the perpendicular easy axes of two CrSBr monolayers assembled at an angle of 90°generate complex domain walls when an external magnetic field is applied along the easy axis of one layer. field is applied along the b axis.…”
Section: Magnetic Structurementioning
confidence: 99%
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“…49 In (e), antiferromagnetism and competing anisotropy between CrSBr and Fe 3 GeTe 2 generate tilted magnetic states and an exchange bias along the easy axis of CrSBr. 50 In (f), the perpendicular easy axes of two CrSBr monolayers assembled at an angle of 90°generate complex domain walls when an external magnetic field is applied along the easy axis of one layer. field is applied along the b axis.…”
Section: Magnetic Structurementioning
confidence: 99%
“…49 Relatedly, heterostructures with the axial ferromagnet Fe 3 GeTe 2 generate a tilted magnetization in the Fe 3 GeTe 2 layer with an associated exchange bias, due to the change in anisotropy and magnetic structure at the CrSBr−Fe 3 GeTe 2 interface (Figure 4e). 50 More conventional proximity effects are observed in heterostructures of graphene, where the ferromagnetic order of the interfacial CrSBr layer induces spinpolarization for conduction through the graphene layer. 51 CrSBr also acts as an interfacial electron acceptor in heterostructures with MoSe 2 , wherein the degree of charge transfer is sensitive to the magnetic state of CrSBr.…”
Section: Magnetic Structurementioning
confidence: 99%
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