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Possibility of fabricating an inductive high-speed detector for electromagnetic radiation using thin YBa2Cu3O7−δ films

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Abstract

It is shown that an inductive high-speed nonequilibrium detector for electromagnetic radiation can be fabricated using thin YBaCuO films. An electronic detection regime has been obtained for the first time using a low-temperature inductive YBaCuO detector in the measuring frequency band Δf=1–50 MHz and it has been shown that no bolometric detection regime exists at operating temperatures far below the superconducting transition. The time constant of the low-temperature inductive YBaCuO detector in the electronic regime is determined only by the electron-phonon interaction time in the nodal regions τ de-ph . The detector has the following limiting characteristics: when the operating temperature is reduced from 10 to 1K, the time constant τ D varies between 10 and 100 ps and the sensitivity D* improves substantially from 109 to 4×1012 W−1 cm Hz1/2.

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Authors and Affiliations

  1. Moscow State Pedagogical University, Moscow

    I. G. Gogidze, P. B. Kuminov, A. V. Sergeev & E. M. Gershenzon

Authors
  1. I. G. Gogidze
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  2. P. B. Kuminov
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  3. A. V. Sergeev
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  4. E. M. Gershenzon
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Pis’ma Zh. Tekh. Fiz. 25, 14–19 (January 26, 1999)

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Gogidze, I.G., Kuminov, P.B., Sergeev, A.V. et al. Possibility of fabricating an inductive high-speed detector for electromagnetic radiation using thin YBa2Cu3O7−δ films. Tech. Phys. Lett. 25, 47–49 (1999). https://doi.org/10.1134/1.1262350

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  • DOI: https://doi.org/10.1134/1.1262350

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