Journal of the Physical Society of Japan
Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015
Critical Temperature Anomaly of Sputter Deposited NbTi/Nb Multilayers
Yoshihisa ObiManabu IkebeHiroyasu Fujimori
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1997 Volume 66 Issue 11 Pages 3600-3604

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Abstract

Anomalous behavior of Tc of the superconductor/superconductor multilayer system, NbTi/Nb was quantitatively analyzed applying an advanced approximation for the proximity effect. The observed minimum of Tc as a function of the structure wavelength λ was suggested to come from the combined effects of Tc degradation of the Nb sublayer and interdiffusion of Nb and Ti atoms through the boundary.

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© The Physical Society of Japan 1997
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