Flux Dynamics and Electronic Anisotropy in High-Tc Superconductors

  • B. Batlogg
  • T. T. M. Palstra
  • L. F. Schneemeyer
  • J. V. Waszczak
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 89)

Abstract

The dissipation below Tc in external fields up to 12T has been studied in five groups of high temperature cuprates. The dissipation is due to Lorentz-force driven flux motion and is least pronounced in the compound with the smallest electronic anisotropy (Ba2YCu3O7). A crossover temperature Tx is defined at which the effective activation energy for flux motion is ~kT. This Tx is material specific. An H-T phase diagram is presented for Ba2YCu3O7 and Bi2Sr2CaCu2O8 demonstrating the qualitative similarities and quantitative differences in the dissipation behavior in these two compounds.

Keywords

Anisotropy 

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Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • B. Batlogg
    • 1
  • T. T. M. Palstra
    • 1
  • L. F. Schneemeyer
    • 1
  • J. V. Waszczak
    • 1
  1. 1.AT&T Bell LaboratoriesMurray HillUSA

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