Difference of Thermoelectric Power in Single and Multiple Phase Y-Ba-Cu-O Superconductors

  • T. Porjesz
  • I. Kirschner
  • G. Kovacs
  • T. Karman
  • G. Zsolt


Since the discovery of superconductivity above 30 K by Bednorz and Müllerl and above 90 K by Wu et al.2, an ever increasing effort was made to investigate the physical properties of high-Tc ceramics. Most of the experiments report the resistivity drop and the diamagnetism as fundamental characteristics. The conclusions drawn from these effects do not, however, characterize a true physical property because of the effect of contacts and/or the superposition of simultaneous phenomena. The thermoelectric power (TEP) measurement seems to be one of the most sensitive tools to investigate the transport properties of high-Tc superconductors.


Transport Property Thermoelectric Power Thermal Transport Property Solid State Comm Resistivity Drop 
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Copyright information

© Springer Science+Business Media New York 1988

Authors and Affiliations

  • T. Porjesz
    • 1
  • I. Kirschner
    • 1
  • G. Kovacs
    • 1
  • T. Karman
    • 1
  • G. Zsolt
    • 1
  1. 1.Department for Low Temperature PhysicsRoland Eötvös UniversityBudapestHungary

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