Calculation of the transition temperature for artificial metallic superlattices in the dirty limit: Application to Nb/Cu

P. R. Auvil; John B Ketterson

doi:10.1016/0038-1098(88)90474-7

Calculation of the transition temperature for artificial metallic superlattices in the dirty limit: Application to Nb/Cu

P. R. Auvil^*, John B Ketterson

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

We use the Takahashi-Tachiki eigenfunction expansion of the integral equation of de Gennes to calculate the transition temperature of a metallic superlattice in the dirty limit. Application of the theory to the data of Banerjee et al. on the Nb/Cu system yields excellent agreement provided one suppresses the transition temperature of the Nb layers to correspond to that of disordered bulk Nb as discussed by Park and Geballe. It is argued that superlattices studies allow one to study thin film superconductors without the complications introduced by lower (2D) dimensionality and the associated partial breakdown of screening.

Original language	English (US)
Pages (from-to)	1003-1005
Number of pages	3
Journal	Solid State Communications
Volume	67
Issue number	10
DOIs	https://doi.org/10.1016/0038-1098(88)90474-7
State	Published - Jan 1 1988

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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abstract = "We use the Takahashi-Tachiki eigenfunction expansion of the integral equation of de Gennes to calculate the transition temperature of a metallic superlattice in the dirty limit. Application of the theory to the data of Banerjee et al. on the Nb/Cu system yields excellent agreement provided one suppresses the transition temperature of the Nb layers to correspond to that of disordered bulk Nb as discussed by Park and Geballe. It is argued that superlattices studies allow one to study thin film superconductors without the complications introduced by lower (2D) dimensionality and the associated partial breakdown of screening.",

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N2 - We use the Takahashi-Tachiki eigenfunction expansion of the integral equation of de Gennes to calculate the transition temperature of a metallic superlattice in the dirty limit. Application of the theory to the data of Banerjee et al. on the Nb/Cu system yields excellent agreement provided one suppresses the transition temperature of the Nb layers to correspond to that of disordered bulk Nb as discussed by Park and Geballe. It is argued that superlattices studies allow one to study thin film superconductors without the complications introduced by lower (2D) dimensionality and the associated partial breakdown of screening.

AB - We use the Takahashi-Tachiki eigenfunction expansion of the integral equation of de Gennes to calculate the transition temperature of a metallic superlattice in the dirty limit. Application of the theory to the data of Banerjee et al. on the Nb/Cu system yields excellent agreement provided one suppresses the transition temperature of the Nb layers to correspond to that of disordered bulk Nb as discussed by Park and Geballe. It is argued that superlattices studies allow one to study thin film superconductors without the complications introduced by lower (2D) dimensionality and the associated partial breakdown of screening.

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