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

Morten, Jan Petter; Brataas, Arne; Belzig, Wolfgang

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

Files

Spin_transport_and_magnetoresistance_in_ferromagne_tsuperconductor_ferromagnet_spin_valves.pdf(128.26 KB)

Date

2005

Authors

Morten, Jan Petter

Brataas, Arne

Belzig, Wolfgang

Publication type

Journal article

Published in

Physical Review B ; 72 (2005). - 145510

Abstract

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.

Subject (DDC)

530 Physics

Cite This

ISO 690

MORTEN, Jan Petter, Arne BRATAAS, Wolfgang BELZIG, 2005. Spin transport and magnetoresistance in ferromagnet/superconductor/ferromagnet spin valves. In: Physical Review B. 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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