Superconducting correlations in thin films of amorphous indium oxide on the insulating side of the disorder-tuned superconductor-insulator transition

I. Shammass, O. Cohen, M. Ovadia, I. Gutman, D. Shahar

Research output: Contribution to journalArticle

Abstract

We study the magnetoresistance of an amorphous indium-oxide thin film whose disorder places it in the insulating side immediately after the disorder-tuned superconductor-insulator transition. We examine the magnetic field orientation dependence of the magnetoresistance and find both a pronounced insulating peak as a function of magnetic field and anisotropic behavior at low fields followed by high isotropy at higher fields, which both characterize highly disordered superconductors. Our findings establish a clear link between its low-field insulating phase and superconductivity.

Original languageEnglish (US)
Article number140507
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume85
Issue number14
DOIs
StatePublished - Apr 13 2012
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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