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Andreev Reflection in Ferromagnet-Superconductor Junctions
Open accessAbstract
The transport properties of a ferromagnet-superconductor (FS) junction are studied in a scattering formulation. Andreev reflection at the FS interface is strongly affected by the exchange interaction in the ferromagnet. The conductance ${G}_{\mathrm{FS}}$ of a ballistic point contact between F and S can be either larger or smaller than the value ${G}_{\mathrm{FN}}$ with the superconductor in the normal state, depending on the ratio of the exchange and Fermi energies. If the ferromagnet contains a tunnel barrier (I), the conductance ${G}_{\mathrm{FIFS}}$ exhibits resonances which do not vanish in linear response---in contrast to the Tomasch oscillations for nonferromagnetic materials.
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Citations
Cited by
Odd triplet superconductivity and related phenomena in superconductor-ferromagnet structures
Bergeret, F. S., Volkov, A. F., & Efetov, K. B. (2005) · Reviews of Modern Physics · doi:10.1103/revmodphys.77.1321 · Cited by 1,537
Colloquium : Andreev reflection and Klein tunneling in graphene
Beenakker, C. W. J. (2008) · Reviews of Modern Physics · doi:10.1103/revmodphys.80.1337 · Cited by 1,302
Self-citationHow to Define and Calculate the Degree of Spin Polarization in Ferromagnets
Mazin, I. I. (1999) · Physical Review Letters · doi:10.1103/physrevlett.83.1427 · Cited by 444
Metadata
- Authors
- de Jong, M. J. M., & Beenakker, C. W. J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1995-02-27
- Volume
- 74
- Issue
- 9
- Pages
- 1657-1660
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2047290430
- Cited by
- 533
- References
- 0
- FWCI
- 2.44
- Type
- journal article
- Language
- en
- Open access
- green
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- de Jong, M. J. M., & Beenakker, C. W. J. (1995). Andreev Reflection in Ferromagnet-Superconductor Junctions. Physical Review Letters. https://doi.org/10.1103/physrevlett.74.1657
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