0-pi transition in superconductor-ferromagnet-superconductor junctions with strongly spin.

Kashuba, O. and Blanter, Ya M. and Falko, Vladimir I. (2007) 0-pi transition in superconductor-ferromagnet-superconductor junctions with strongly spin. Physical review B, 75. p. 132502. ISSN 1550-235X

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Abstract

We develop a theory of the critical current in superconductor–ferromagnetic alloy–superconductor trilayers, which takes into account the strong spin dependence of electron scattering on compositional disorder in a diluted ferromagnetic alloy. We show that in such a system the critical current oscillations as a function of the thickness of the ferromagnetic layer, with period of vF/2I, vF and I being the Fermi velocity and exchange splitting, respectively, decay exponentially with a characteristic length of the order of the mean free path.

Item Type:
Journal Article
Journal or Publication Title:
Physical review B
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
ID Code:
18682
Deposited By:
Deposited On:
28 Oct 2008 16:41
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 06:11