Anisotropic Superconducting Properties of Single Crystalline Bi2Sr2CaCu2O8+δ

  • K. Kadowaki
  • K. Togano
  • H. Maeda
  • J. J. M. Franse
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 60)

Abstract

Anisotropic superconducting properties have been studied by means of resistivity measurements in magnetic fields up to 6 T. It is observed that the broadening of the resistivity in the ab-plane is not influenced by magnetic fields, when the magnetic field is applied precisely along the ab-plane. The difference between the resistivities within the ab-plane has not been detected, no matter what configurations of the current and the magnetic field directions may be set in the ab-plane. In addition, the b-axis resistivity diagrams in magnetic fields rotated in the ac-plane and rotated in the bc-plane are identical. Although these results are consistent with the 2D vortex state, the c-axis resistivity in fields rotated in the ac- and bc-planes cannot be explained by the conventional flux-creep and flux-flow mechanisms, which are essentially based on the Lorentz force type of interaction. The superconducting fluctuation model is in turn taken into account in order to better understand the experimental results.

Keywords

Magnetic Field Vortex Lattice Vortex State Magnetic Field Direction Anomalous Resistivity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin, Heidelberg 1992

Authors and Affiliations

  • K. Kadowaki
    • 1
  • K. Togano
    • 1
  • H. Maeda
    • 1
  • J. J. M. Franse
    • 2
  1. 1.National Research Institute for Metals, Tsukuba LaboratoriesTsukuba-shi, Ibaraki 305Japan
  2. 2.Natuurkundig LaboratoriumUniversiteit van AmsterdamAmsterdamThe Netherlands

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