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Microwave absorption in a Y1Ba2Cu3O7−x single crystal near the superconducting transition

  • Metals. Superconductors
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Abstract

Y1Ba2Cu3O7−x single crystals are investigated near T c ≈92 K in fields 0<H⩽9 kOe using a modified ESR spectrometer. The temperature modulation method is used for the first time, together with the traditional magnetic modulation method, to detect microwave responses in single crystals. Superconducting-transition peaks shifted relative to one another in temperature and differing in shape are observed in the temperature dependence of the corresponding signals ∂R/∂H and ∂R/∂T (R — microwave absorption). The evolution of these peaks as a function of the field and the angle π between H and the c axis of the single crystal is traced. It is shown that the difference in the temperature dependences of the derivatives ∂R/∂H and ∂R/∂T is due to the broadening of the superconducting transition characteristic of HTSCs.

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Authors and Affiliations

  1. Scientific-Research Institute of Applied Physics, Tashkent State University, 700095, Tashkent, Uzbekistan

    M. K. Aliev, G. R. Alimov, T. M. Muminov, B. A. Olimov, Kh. I. Turkmenov & I. Kholbaev

  2. M. V. Lomonosov Moscow State University, 119899, Moscow, Russia

    L. I. Leonyuk

  3. Institute of Materials Science, Scientific and Industrial Association “Fizika-Solntse”, 700084, Tashkent, Uzbekistan

    R. F. Rumi

Authors
  1. M. K. Aliev
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  2. G. R. Alimov
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  3. T. M. Muminov
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  4. B. A. Olimov
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  5. Kh. I. Turkmenov
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  6. I. Kholbaev
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  7. L. I. Leonyuk
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  8. R. F. Rumi
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Additional information

Fiz. Tverd. Tela (St. Petersburg) 41, 14–17 (January 1999)

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Aliev, M.K., Alimov, G.R., Muminov, T.M. et al. Microwave absorption in a Y1Ba2Cu3O7−x single crystal near the superconducting transition. Phys. Solid State 41, 11–14 (1999). https://doi.org/10.1134/1.1130718

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  • DOI: https://doi.org/10.1134/1.1130718

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