Bulletin of Materials Science

, Volume 14, Issue 3, pp 767–770 | Cite as

Thermoelectric power of YBa2Cu3O7−δ under pressure up to 9 GPa

  • Sheela K Ramasesha
  • A K Singh
International Conference On Superconductivity—II


Thermoelectric power (TEP) of two YBa2Cu3O7−δ compounds (with δ=0·17 and 0·21) was measured as a function of quasi-hydrostatic pressure up to 9GPa at 300K on samples with low porosity. In both cases TEP decreases with increasing pressure, at a rate ∼ 0·8 μVK−1/GPa. The data obtained under hydrostatic pressure up to 3 GPa are in good agreement with those under quasi-hydrostatic pressure. The TEP of both compositions is found to decrease linearly at a rate 0·8 μVK−1/GPa above 1·5 GPa.


Thermoelectric power quasi-hydrostatic pressure hydrostatic pressure 


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Copyright information

© Indian Academy of Sciences 1991

Authors and Affiliations

  • Sheela K Ramasesha
    • 1
  • A K Singh
    • 1
  1. 1.Materials Science DivisionNational Aeronautical LaboratoryBangaloreIndia

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