Pressure dependence of thermoelectric power of high T(sub c) 123 compound

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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