Thermally induced spin-transfer torques in superconductor/ferromagnet bilayers

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2021
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Bobkova, Irina V.
Bobkov, Alexander M.
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Thermally induced magnetization dynamics is currently a flourishing field of research due to its potential application in information technology. We study the paradigmatic system of a magnetic domain wall in a thermal gradient which is interacting with an adjacent superconductor. The spin-transfer torques arising in this system due to the combined action of the giant thermoelectric effect and the creation of equal-spin pairs in the superconductor are large enough to give rise to high domain wall velocities 103 times larger than previously predicted.

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530 Physik
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spin-transfer, superconductor, ferromagnet
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ISO 690BOBKOVA, Irina V., Alexander M. BOBKOV, Wolfgang BELZIG, 2021. Thermally induced spin-transfer torques in superconductor/ferromagnet bilayers. In: Physical Review B. American Physical Society. 2021, 103(2), L020503. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.103.L020503
BibTex
@article{Bobkova2021Therm-46880.2,
  year={2021},
  doi={10.1103/PhysRevB.103.L020503},
  title={Thermally induced spin-transfer torques in superconductor/ferromagnet bilayers},
  number={2},
  volume={103},
  issn={2469-9950},
  journal={Physical Review B},
  author={Bobkova, Irina V. and Bobkov, Alexander M. and Belzig, Wolfgang},
  note={Article Number: L020503}
}
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