The interplay between localization and superconductivity

D. B. Haviland; Y. Liu; T. Wang; A. M. Goldman

doi:10.1016/0921-4526(91)90235-7

The interplay between localization and superconductivity

D. B. Haviland, Y. Liu, T. Wang, A. M. Goldman

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Abstract

The interplay between localization and superconductivity has been studied in uniform ultrathin films of both high- and low-temperature superconductors. In both types, a decrease of the transition temperature with decreasing thickness and increasing sheet resistance is found, and there appears to be a critical sheet resistance for superconductivity. The important issue is whether the threshold is material-dependent, or universal, with a value close to the quantum resistance for pairs, h/4e² (6450Ω), the value found for films of Bi and DyBaCuO. The universality of this result would have important implications for the fundamental understanding of this problem.

Original language	English (US)
Pages (from-to)	238-243
Number of pages	6
Journal	Physica B: Physics of Condensed Matter
Volume	169
Issue number	1-4
DOIs	https://doi.org/10.1016/0921-4526(91)90235-7
State	Published - Feb 2 1991

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/0921-4526(91)90235-7

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title = "The interplay between localization and superconductivity",

abstract = "The interplay between localization and superconductivity has been studied in uniform ultrathin films of both high- and low-temperature superconductors. In both types, a decrease of the transition temperature with decreasing thickness and increasing sheet resistance is found, and there appears to be a critical sheet resistance for superconductivity. The important issue is whether the threshold is material-dependent, or universal, with a value close to the quantum resistance for pairs, h/4e2 (6450Ω), the value found for films of Bi and DyBaCuO. The universality of this result would have important implications for the fundamental understanding of this problem.",

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AU - Wang, T.

AU - Goldman, A. M.

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N2 - The interplay between localization and superconductivity has been studied in uniform ultrathin films of both high- and low-temperature superconductors. In both types, a decrease of the transition temperature with decreasing thickness and increasing sheet resistance is found, and there appears to be a critical sheet resistance for superconductivity. The important issue is whether the threshold is material-dependent, or universal, with a value close to the quantum resistance for pairs, h/4e2 (6450Ω), the value found for films of Bi and DyBaCuO. The universality of this result would have important implications for the fundamental understanding of this problem.

AB - The interplay between localization and superconductivity has been studied in uniform ultrathin films of both high- and low-temperature superconductors. In both types, a decrease of the transition temperature with decreasing thickness and increasing sheet resistance is found, and there appears to be a critical sheet resistance for superconductivity. The important issue is whether the threshold is material-dependent, or universal, with a value close to the quantum resistance for pairs, h/4e2 (6450Ω), the value found for films of Bi and DyBaCuO. The universality of this result would have important implications for the fundamental understanding of this problem.

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The interplay between localization and superconductivity

Abstract

All Science Journal Classification (ASJC) codes

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