articlePhysical Review LettersMar 9, 2026GREEN OA

Altermagnetic Proximity Effect

ZZZiye ZhuRHRichang HuangXCXianzhang ChenZCZhou CuiXDXunkai Duan

Eastern Institute of Technology · Suzhou University of Science and Technology · +1 more institution

PubMed
Indexed inarxivcrossrefdatacitepubmed

Abstract

Proximity effects complement conventional materials design by enabling interfacial properties absent in any constituent. Here, we uncover an altermagnetic proximity effect (AMPE), distinct from ferromagnetic and antiferromagnetic proximity, in which the hallmark momentum-alternating spin splitting of an altermagnet is transferred across an interface into an adjacent nonmagnetic layer-a process we term "altermagnetization." Using first-principles calculations and model analysis, we identify the AMPE in heterostructures based on the prototypical van der Waals altermagnet V_{2}Se_{2}O, where a proximitized monolayer PbO acquires altermagnetic band splitting and real-space spin textures, with systematic tunability…

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9
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Authors

8

Topics & keywords

Topics
Keywords
  • Proximity effect (electron beam lithography)
  • Monolayer
  • Ferromagnetism
  • van der Waals force
  • Antiferromagnetism
  • Spin (aerodynamics)
  • Heterojunction
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