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High frequency electromagnetic action on dc magnetic moment of YBaCuO granular superconductor

  • HTSC—Granular Superconductors
  • Published:
Czechoslovak Journal of Physics Aims and scope

Abstract

High frequency (0.3–3GHz) electromagnetic field action on dc magnetic moment of granular YBaCuO superconductor in magnetic field was measured by SQUID magnetometer at temperature 4.2K. It was found that 1) Changing of dc magnetic moment ΔM is proportional to the field amplitudeh ε, 2) At low magnetic fieldH dependence ΔM onH is proportionalH 2, 3) Dependence ΔM onH is irreversible and has evolution time about second. This behavior can not be described only by the critical state model.

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References

  1. L.E. Svistov and H. Benner Congress Ampere, Athen (1993) 56.

  2. C.D. Jeffries, Q.H. Lam, Y. Kim et al., Phys. Rev. B 39 (1989) 11526.

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Authors and Affiliations

  1. Institute of Crystallography, Leninsky prosp. 57, 117924, Moscow, Russia

    L. E. Svistov

  2. P.N. Lebedev Physical Institute, Leninsky prosp. 53, 117924, Moscow, Russia

    S. A. Vitkalov

  3. EPR Laboratory of Physical Dept., UBA, Argentina

    L. E. Svistov & S. A. Vitkalov

  4. Ciudad Universitaria, Pab. I(1428), Buenos Aires, Argentina

    L. E. Svistov & S. A. Vitkalov

Authors
  1. L. E. Svistov
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  2. S. A. Vitkalov
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Svistov, L.E., Vitkalov, S.A. High frequency electromagnetic action on dc magnetic moment of YBaCuO granular superconductor. Czech J Phys 46 (Suppl 3), 1267–1268 (1996). https://doi.org/10.1007/BF02562748

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  • DOI: https://doi.org/10.1007/BF02562748

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