Localized Superconductivity in the Quantum-Critical Region around the Disorder-Driven Superconductor-Insulator Transition

URN to cite this document:: urn:nbn:de:bvb:355-epub-26498
DOI to cite this document:: 10.5283/epub.2649

Baturina, T. ; Mironov, A. ; Vinokur, V. ; Baklanov, M. ; Strunk, Christoph

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Date of publication of this fulltext: 05 Aug 2009 13:40

Alternative links to fulltext:Arxiv

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Abstract

We investigate low-temperature transport properties of thin TiN superconducting films, which differ in the degree of disorder. In zero magnetic field, we find an extremely sharp separation between superconducting- and insulating phases, demonstrating a direct superconductor-insulator transition without an intermediate metallic phase. Temperature- and magnetic field behaviors of the resistance ...