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Superheating of YBa2Cu3O7−x thin-film microbridges

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Abstract

It is found that the hysteresis that develops with decreasing temperature in the current-voltage characteristics of thin-film YBa2Cu3O7−x microbridges is due to superheating of the bridges by the transport current. The heat transport coefficient is determined to be α=5500–7500 V/(cm2·K) and the thermal resistance of the YBa2Cu3O7−x /MgO film-substrate interface is R if=(1.3–1.8)×10−4 (cm2·K)/W.

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Authors and Affiliations

  1. Belarus State University of Information Sciences and Radio Electronics, Belarus

    O. V. Matyunina & A. V. Pogrebnyakov

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  1. O. V. Matyunina
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  2. A. V. Pogrebnyakov
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Pis’ma Zh. Tekh. Fiz. 23, 56–62 (June 26, 1997)

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Matyunina, O.V., Pogrebnyakov, A.V. Superheating of YBa2Cu3O7−x thin-film microbridges. Tech. Phys. Lett. 23, 478–480 (1997). https://doi.org/10.1134/1.1261816

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  • DOI: https://doi.org/10.1134/1.1261816

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