Classes of superconductor-insulator transitions in high-Tc films

K. M. Beauchamp, G. C. Spalding, T. Wang, A. M. Goldman

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


The superconductor-insulator transition has been studied in disordered DyBa2Cu3O7-x ultrathin films. Near the transition there is an anomalous magnetoresistance, which results in a re-entrant superconductor-insulator transition as a function of magnetic field. The highest-field transition is consistent with the expected field-induced transition. The low-field transitions may result from field modulation of the resistance through critical values which are higher than h/4e2.

Original languageEnglish (US)
Pages (from-to)2321-2322
Number of pages2
JournalPhysica B: Physics of Condensed Matter
Issue numberPART 2
StatePublished - Feb 2 1994


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