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Thermal Resistance at the Epitaxial Interface of YBaCuO and PrBaCuO

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Abstract

Among classical applications of superconductivity, superconductor bolometers representing a superconducting thin-film strip in the resistive state occupy an important place [1-4]. The present study concerns HTSC bolometer samples based on YBa2Cu3O7−δ with a PrBa2Cu3Ox protective layer. For the first time, the thermal resistance at the YBa2Cu3O7−δ-PrBa2Cu3Ox epitaxial interface is quantitatively estimated from the response to pulses of a Ti:Al2O3 laser as (0.3 ÷ 1.3) · 10−3 K·cm2/W.

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, 53 Leninskii Pr., Moscow, 119991, Russia

    A. V. Varlashkin

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  1. A. V. Varlashkin
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Correspondence to A. V. Varlashkin.

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Russian Text © The Author(s), 2019, published in Kratkie Soobshcheniya po Fizike, 2019, Vol. 46, No. 7, pp. 3–8.

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Varlashkin, A.V. Thermal Resistance at the Epitaxial Interface of YBaCuO and PrBaCuO. Bull. Lebedev Phys. Inst. 46, 215–218 (2019). https://doi.org/10.3103/S1068335619070017

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  • DOI: https://doi.org/10.3103/S1068335619070017

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