Interface transparency of Nb/Pd layered systems

C. Cirillo; S. L. Prischepa; M. Salvato; C. Attanasio

doi:10.1140/epjb/e2004-00099-7

EPJ

Interface transparency of Nb/Pd layered systems

C. Cirillo, S. L. Prischepa, M. Salvato and C. Attanasio^a

Dipartimento di Fisica “E.R. Caianiello" and INFM, Università degli Studi di Salerno, Baronissi (Sa), 84081, Italy

Corresponding author: ^a This email address is being protected from spambots. You need JavaScript enabled to view it.

Received: 17 July 2003
Revised: 12 December 2003
Published online: 20 April 2004

Abstract

We have investigated, in the framework of proximity effect theory, the interface transparency $Mathematical equation: ${\cal T}$$ of superconducting/normal metal layered systems which consist of Nb and high paramagnetic Pd deposited by dc magnetron sputtering. The obtained $Mathematical equation: ${\cal T}$$ value is relatively high, as expected by theoretical arguments. This leads to a large value of the ratio $Mathematical equation: $d_{s}^{cr}/ \xi_{s}$$ although Pd does not exhibit any magnetic ordering.

PACS: 74.45.+c – Proximity effects; Andreev effect; SN and SNS junctions / 74.78.Fk – Multilayers, superlattices, heterostructures

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EPJ

Interface transparency of Nb/Pd layered systems

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