Thermo electric power of single phase Bi2Sr2−xKxCa1−yNayCu2Oz superconductors

Thermo electric power of single phase Bi2Sr2−xKxCa1−yNayCu2Oz superconductors

The temperature dependence of thermoelectric power of simultaneous doping of alkali elements, i.e. Na at Ca and K at Sr site in the Bi-2212 system with the composition Bi2Sr2-xKxCa1-yNayCu2Oz, where x=0.1 and y=0.1, 0.2, 0.3, 0.4 labeled as KINI, K1N2, K1N3, K1N4, resp., are studied. Tc(0) varies fr...

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Veröffentlicht in:Physica. C, Superconductivity Superconductivity, 2000-11, Vol.341-348, p.1859-1860
Hauptverfasser: Chandra Sekhar, M., Suryanarayana, S.V.
Format: Artikel
Sprache:eng
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Zusammenfassung:The temperature dependence of thermoelectric power of simultaneous doping of alkali elements, i.e. Na at Ca and K at Sr site in the Bi-2212 system with the composition Bi2Sr2-xKxCa1-yNayCu2Oz, where x=0.1 and y=0.1, 0.2, 0.3, 0.4 labeled as KINI, K1N2, K1N3, K1N4, resp., are studied. Tc(0) varies from 63-67 K in all these new samples. Single phase Bi-2212 was found in all the compositions. Tc(0) and thermoelectric power data were collected from 12 to 300 K. The data were analyzed within existing theoretical models. 6 refs.
ISSN:0921-4534
DOI:10.1016/S0921-4534(00)01214-4