Volume 86, Number 6, June 2009
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||01 July 2009|
Proximity effect in atomic-scaled hybrid superconductor/ferromagnet structures: Crucial role of electron spectra
Condensed Matter Theory Group, CPMOH, Université de Bordeaux and CNRS F-33405 Talence, France, EU
2 LPT, Université Bordeaux 1 - 33170 Gradignan, France, EU
Corresponding author: firstname.lastname@example.org
Accepted: 31 May 2009
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.
PACS: 74.45.+c – Proximity effects; Andreev effect; SN and SNS junctions / 74.78.Fk – Multilayers, superlattices, heterostructures
© EPLA, 2009
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