Ramasesha, Sheela K and Singh, AK (1990) Pressure dependence of thermoelectric power of high T(sub c) 123 compound. Technical Report. National Aeronautical Laboratory, Bangalore, India.
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Abstract
Thermoelectric powers (TEP) of two YBa2Cu3O(7-delta) compounds (with delta = 0.17 and 0.21) were measured as a function of quasi-hydrostatic pressure up to 9 GPa at 300 K on samples with low porosity. In both cases TEP decreases with increasing pressure, at a rate approx. 0.8 microVK(-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 microVK(-1)(GPa) above 1.5 GPa.
| Item Type: | Proj.Doc/Technical Report (Technical Report) |
|---|---|
| Uncontrolled Keywords: | High temperature superconductors;Hydrostatic pressure;Pressure dependence;Thermoelectricity;Barium oxides;Copper oxides;High pressure;Prosity |
| Subjects: | CHEMISTRY AND MATERIALS > Inorganic, Organic and Physical Chemistry |
| Division/Department: | Materials Science Division, Materials Science Division |
| Depositing User: | M/S ICAST NAL |
| Date Deposited: | 22 Dec 2006 |
| Last Modified: | 24 May 2010 09:53 |
| URI: | http://nal-ir.nal.res.in/id/eprint/3464 |
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