Evidence of Spatially Inhomogeous Pairing on the Insulating Side of a Disorder-Tuned Superconductor-Insulator Transition

Abstract

Measurements of transport properties of amorphous insulating indium oxide thin films have been interpreted as evidence of the presence of superconducting islands on the insulating side of a disorder-tuned superconductor-insulator transition. Although the films are not granular, the behavior is similar to that observed in granular films. The results support theoretical models in which the destruction of superconductivity by disorder produces spatially inhomogenous pairing with a spectral gap.

Revised title and content/argument. Totals: 4 pages, 3 figures

References in corpus (2)

• Nature of the superconductor-insulator transition in disordered superconductors
• Quantum Metallicity on the High-Field Side of the Superconductor-Insulator Transition

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