Classes of superconductor-insulator transitions in high-Tc films

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

doi:10.1016/0921-4526(94)91660-8

Classes of superconductor-insulator transitions in high-T_c films

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

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The superconductor-insulator transition has been studied in disordered DyBa₂Cu₃O_7-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 language	English (US)
Pages (from-to)	2321-2322
Number of pages	2
Journal	Physica B: Physics of Condensed Matter
Volume	194-196
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4526(94)91660-8
State	Published - Feb 2 1994

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abstract = "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.",

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AU - Goldman, A. M.

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N2 - 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.

AB - 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.

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Classes of superconductor-insulator transitions in high-T_c films

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