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  • Qviller, A. J., et al. (author)
  • Direct observation of magnetic proximity effects in amorphous exchange-spring magnets by neutron reflectometry
  • 2020
  • In: Physical Review Materials. - 2475-9953. ; 4:10
  • Journal article (peer-reviewed)abstract
    • In this paper, we report a direct observation of a magnetic proximity effect in an amorphous thin-film exchange-spring magnet by the use of neutron reflectometry. The exchange-spring magnet is a trilayer consisting of two ferromagnetic layers with high T-c separated by a ferromagnetic layer, which is engineered to have a significantly lower T-c than the embedding layers. This enables us to measure magnetization depth profiles at which the low-T-c material is in a ferromagnetic or paramagnetic state, while the embedding layers are ferromagnetic. A clear proximity effect is observed 7 K above the intrinsic T-c of the embedded layer, with a range extending 50 angstrom.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Hjörvarsson, Björgvi ... (1)
Magnus, Fridrik (1)
Kirby, B. J. (1)
Hauback, B. C. (1)
Frommen, C. (1)
Qviller, A. J. (1)
University
Uppsala University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2020 (1)

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