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Thermoelectromotive force in Bi2Sr2Ca2Cu4O11 bismuth-based high-temperature superconductor

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Abstract

The temperature dependence of the thermoemf in Bi2Sr2Ca2Cu4O11 bismuth-based high-temperature superconductors is studied. The thermoemf is positive at high temperatures (T > 300 K) and negative at low temperatures. As the temperature decreases, the thermoemf reaches a maximum slightly above T c and then sharply drops to zero. The results can be explained in the framework of the two-band theory with a linear temperature term.

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Authors and Affiliations

  1. Institute of Physics, National Academy of Sciences of Azerbaijan, pr. Dzhavida 33, Baku, AZ1143, Azerbaijan

    S. S. Ragimov & I. N. Askerzade

  2. Department of Computer Engineering, Engineering Faculty, Ankara University, 06100, Tandogan, Ankara, Turkey

    I. N. Askerzade

Authors
  1. S. S. Ragimov
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  2. I. N. Askerzade
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Correspondence to S. S. Ragimov.

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Original Russian Text © S.S. Ragimov, I.N. Askerzade, 2010, published in Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 80, No. 10, pp. 150–151.

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Ragimov, S.S., Askerzade, I.N. Thermoelectromotive force in Bi2Sr2Ca2Cu4O11 bismuth-based high-temperature superconductor. Tech. Phys. 55, 1538–1539 (2010). https://doi.org/10.1134/S1063784210100245

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  • DOI: https://doi.org/10.1134/S1063784210100245

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