Transition temperature of superconducting-magnetic proximity effect sandwiches

Ora Entin-Wohlman*, Shlomo Alexander

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The diffusion approximation of Werthamer and de Gennes for the calculation of Tc of proximity effect sandwiches is generalized to include the effect of a barrier with a finite penetration probability. Tc is higher than the one calculated for a transparent barrier. The effect of the barrier enters through generalized boundary conditions for the pair potentials. It is found that within the diffusion approximation, the presence of magnetic impurities on the normal side does not affect the boundary conditions.

Original languageEnglish
Pages (from-to)229-240
Number of pages12
JournalJournal of Low Temperature Physics
Volume24
Issue number1-2
DOIs
StatePublished - Jul 1976

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