Quantum metallicity at the High-Field Side of the Superconductor-Insulator Transition

URN to cite this document:: urn:nbn:de:bvb:355-epub-26483
DOI to cite this document:: 10.5283/epub.2648

Baturina, T. ; Strunk, Christoph ; Baklanov, M. R. ; Satta, A.

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

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Abstract

We investigate ultrathin superconducting TiN films, which are very close to the localization threshold. Perpendicular magnetic field drives the films from the superconducting to an insulating state, with very high resistance. Further increase of the magnetic field leads to an exponential decay of the resistance towards a finite value. In the limit of low temperatures, the saturation value can be ...