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Proximity effect in atomic-scaled hybrid superconductor/ferromagnet structures: crucial role of electron spectra.

Abstract : We study the influence of the configuration of the majority and minority spin subbands of electron spectra on the properties of atomic-scaled superconductor-ferromagnet S-F-S and F-S-F hybrid structures. At low temperatures, the S/F/S junction is either a 0 or junction depending on the energy shift between S and F materials and the anisotropy of the Fermi surfaces. We found that the spin switch effect in F/S/F system can be reversed if the minority spin electron spectra in F metal is of the hole-like type.
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https://hal.inria.fr/inria-00387545
Contributor : Xavier Montiel <>
Submitted on : Monday, May 25, 2009 - 4:04:25 PM
Last modification on : Friday, February 12, 2021 - 10:58:06 AM
Long-term archiving on: : Thursday, June 10, 2010 - 11:48:27 PM

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Xavier Montiel, Daria Gusakova, Michel Daumens, Alexandre I. Buzdin. Proximity effect in atomic-scaled hybrid superconductor/ferromagnet structures: crucial role of electron spectra.. EPL - Europhysics Letters, European Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing, 2009, 86, pp.67002 (1-6). ⟨10.1209/0295-5075/86/67002⟩. ⟨inria-00387545⟩

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