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Absorption of volume spin waves in magnet-superconductor structures

  • Magnetism and Ferroelectricity
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Abstract

This paper describes the first experimental investigation of the temperature dependence of the absorption of volume spin waves in composite structures consisting of a ferrite layer and a thin layer of YBaCuO. The magnitude of the absorption is observed to be nonmonotonic, with a sharp maximum at T≈130 K. It is established that this behavior is related to a change in the ratio of the wavelength to the effective screening length, which depends on temperature. The absorption is not discontinuous in the vicinity of T≅T c and decreases rapidly and monotonically below this temperature. This is explained by the strong influence of weak links between superconducting granules.

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Authors and Affiliations

  1. Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 103907, Moscow, Russia

    Yu. V. Gulyaev, Yu. F. Ogrin, N. I. Polzikova & A. O. Raevskii

Authors
  1. Yu. V. Gulyaev
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  2. Yu. F. Ogrin
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  3. N. I. Polzikova
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  4. A. O. Raevskii
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Additional information

Fiz. Tverd. Tela (St. Petersburg) 39, 1628–1630 (September 1997)

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Gulyaev, Y.V., Ogrin, Y.F., Polzikova, N.I. et al. Absorption of volume spin waves in magnet-superconductor structures. Phys. Solid State 39, 1451–1453 (1997). https://doi.org/10.1134/1.1130096

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  • DOI: https://doi.org/10.1134/1.1130096

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