Publikation:

Magnonic Proximity Effect in Insulating Ferro- and Antiferromagnetic Trilayers

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2022

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Physical Review B. American Physical Society (APS). 2022, 105(10), 104408. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.105.104408

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The design of spin-transport based devices such as magnon transistors or spin valves will require multilayer systems composed of different magnetic materials with different physical properties. Such layered structures can show various interface effects, one class of which being proximity effects, where a certain physical phenomenon that occurs in the one layers leaks into another one. In this work a magnetic proximity effect is studied in trilayers of different ferro- and antiferromagnetic materials within an atomistic spin model. We find the magnetic order in the central layer - with lower critical temperature - enhanced, even for the case of an antiferromagnet surrounded by ferromagnets. We further characterize this proximity effect via the magnon spectra which are specifically altered, especially for the case of the antiferromagnet in the central layer.

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ISO 690BREHM, Verena, Martin EVERS, Ulrike RITZMANN, Ulrich NOWAK, 2022. Magnonic Proximity Effect in Insulating Ferro- and Antiferromagnetic Trilayers. In: Physical Review B. American Physical Society (APS). 2022, 105(10), 104408. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.105.104408
BibTex
@article{Brehm2022Magno-57193,
  year={2022},
  doi={10.1103/PhysRevB.105.104408},
  title={Magnonic Proximity Effect in Insulating Ferro- and Antiferromagnetic Trilayers},
  number={10},
  volume={105},
  issn={2469-9950},
  journal={Physical Review B},
  author={Brehm, Verena and Evers, Martin and Ritzmann, Ulrike and Nowak, Ulrich},
  note={Article Number: 104408}
}
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