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Spin transport and magnetoresistance in ferromagnet/superconductor/ferromagnet spin valves

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Spin_transport_and_magnetoresistance_in_ferromagne_tsuperconductor_ferromagnet_spin_valves.pdf
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2005

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Morten, Jan Petter
Brataas, Arne

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-32928
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https://doi.org/10.1103/PhysRevB.72.014510
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Physical Review B. 2005, 72, 145510. Available under: doi: 10.1103/PhysRevB.72.014510

Zusammenfassung

We consider spin transport and spin relaxation in superconductors using the quasiclassical theory of superconductivity. We include spin relaxation due to spin-orbit interaction as well as magnetic impurities, and show that the energy dependence of the spin-flip rate is different for these two mechanisms. In ferromagnetsuperconductor- ferromagnet systems made of Co and Al, interface resistances can be small compared to bulk resistances. This simplifies the description of transport in Co/Al/Co spin valves, for which we numerically calculate the temperature and Al length dependence of the magnetoresistance.

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530 Physik

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ISO 690MORTEN, Jan Petter, Arne BRATAAS, Wolfgang BELZIG, 2005. Spin transport and magnetoresistance in ferromagnet/superconductor/ferromagnet spin valves. In: Physical Review B. 2005, 72, 145510. Available under: doi: 10.1103/PhysRevB.72.014510
BibTex
@article{Morten2005trans-9508,
  year={2005},
  doi={10.1103/PhysRevB.72.014510},
  title={Spin transport and magnetoresistance in ferromagnet/superconductor/ferromagnet spin valves},
  volume={72},
  journal={Physical Review B},
  author={Morten, Jan Petter and Brataas, Arne and Belzig, Wolfgang},
  note={Article Number: 145510}
}
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