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Observation of Kosterlitz‐Thouless Transition and Conductivity Fluctuation in Superconducting Ybco Thin Films
Published online by Cambridge University Press: 28 February 2011
Abstract
Kosterlitz‐Thouless properties of laser deposited high Tc superconducting thin films of YBa2Cu3O7‐x were examined. The exponent of the power law dependence of V on I showed a “universal jump” at Tc. ID like conductivity fluctuation was also found at temperatures slightly above the mean‐field transition temperature Tco, which may be the result of imperfections of the sample.
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- Copyright © Materials Research Society 1990