Threshold for superconductivity in ultrathin amorphous gallium films

H. M. Jaeger; D. B. Haviland; A. M. Goldman; B. G. Orr

doi:10.1103/PhysRevB.34.4920

Threshold for superconductivity in ultrathin amorphous gallium films

H. M. Jaeger, D. B. Haviland, A. M. Goldman, B. G. Orr

Physics and Astronomy (Twin Cities)

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

214 Scopus citations

Abstract

Systematic studies of the onset of superconductivity in ultrathin amorphous Ga films have revealed the existence of a threshold dependent only on the normal-state sheet resistance. Global superconductivity, or zero resistance, develops only when the normal-state sheet resistance falls below 6000 /-. This result agrees with previous observations on crystalline Sn films and further supports the notion of a universal resistance threshold.

Original language	English (US)
Pages (from-to)	4920-4923
Number of pages	4
Journal	Physical Review B
Volume	34
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevB.34.4920
State	Published - Jan 1 1986

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10.1103/PhysRevB.34.4920

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title = "Threshold for superconductivity in ultrathin amorphous gallium films",

abstract = "Systematic studies of the onset of superconductivity in ultrathin amorphous Ga films have revealed the existence of a threshold dependent only on the normal-state sheet resistance. Global superconductivity, or zero resistance, develops only when the normal-state sheet resistance falls below 6000 /-. This result agrees with previous observations on crystalline Sn films and further supports the notion of a universal resistance threshold.",

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AB - Systematic studies of the onset of superconductivity in ultrathin amorphous Ga films have revealed the existence of a threshold dependent only on the normal-state sheet resistance. Global superconductivity, or zero resistance, develops only when the normal-state sheet resistance falls below 6000 /-. This result agrees with previous observations on crystalline Sn films and further supports the notion of a universal resistance threshold.

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Threshold for superconductivity in ultrathin amorphous gallium films

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