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Determining the absolute thermo emfs of conductors using a Y1Ba2Cu3O7 − δ rod

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Abstract

The voltage drop on a 110-mm-long Y1Ba2Cu3O7 − δ (YBCO) rod with a diameter of 7 mm bearing a current of 1 A has been studied as a function of the temperature. It is shown that YBCO rods can be used to measure the absolute thermo emf of conductors in a range of temperatures up to the onset of breakage of the superconducting state. The thermo emf of Ni, Cu, and W conductors was determined.

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Authors and Affiliations

  1. Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhni Novgorod, 603600, Russia

    S. A. Churin

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  1. S. A. Churin
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Correspondence to S. A. Churin.

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Original Russian Text © S.A. Churin, 2009, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2009, Vol. 35, No. 18, pp. 12–16.

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Churin, S.A. Determining the absolute thermo emfs of conductors using a Y1Ba2Cu3O7 − δ rod. Tech. Phys. Lett. 35, 841–842 (2009). https://doi.org/10.1134/S1063785009090168

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  • DOI: https://doi.org/10.1134/S1063785009090168

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