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|Title:||Enhancement of thermopower in the high T c superconductor YBa2Cu3O7 and related compounds|
Subba Rao, G.V.
|Citation:||Pramana, 29(2), L225-L230|
|Abstract:||The absolute thermopower of single phase YBa2Cu3O7 and Y0.8Er0.2Ba2Cu3O7 has been measured in the range 250 K to the superconducting transition temperature. It is found that these compounds show a large enhancement of thermopower in the range 150 K down to Tc. This enhancement shows a steep exponential drop as the temperature increases from the transition temperature. The temperature variation of the enhancement is too steep to be accounted for by electron-phonon or electron-local structural excitation mechanisms. ? 1987 Indian Academy of Sciences.|
|Appears in Collections:||Articles|
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