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Dependence of the magnetic and superconducting characteristics of fine-grained HTSCs YBa2Cu3O y on the degree of structural disorder and type of oxygen vacancy ordering in chain planes

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The characteristics determining different contributions to the magnetic susceptibility at T > T C (Pauli susceptibility, coherence length at T = 0, and Curie constant) as functions of the degree of structural disorder have been analyzed for high-temperature superconducting YBa2Cu3O y samples ( y ≈ 6.92, T C ≈ 92 K) with micrometer and submicron average grain sizes D av. It is shown that the decrease in these characteristics, which is observed in fine-grained samples with a decrease in D av, occurs in various ways, depending on the number and type of oxygen vacancy ordering in chain planes.

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Authors and Affiliations

  1. Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119991, Russia

    L. G. Mamsurova, K. S. Pigalskiy, N. G. Trusevich, N. B. Butko & A. A. Vishnev

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  1. L. G. Mamsurova
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  2. K. S. Pigalskiy
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  3. N. G. Trusevich
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  4. N. B. Butko
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  5. A. A. Vishnev
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Corresponding author

Correspondence to L. G. Mamsurova.

Additional information

Original Russian Text © L.G. Mamsurova, K.S. Pigalskiy, N.G. Trusevich, N.B. Butko, A.A. Vishnev, 2008, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2008, Vol. 72, No. 4, pp. 579–582.

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Mamsurova, L.G., Pigalskiy, K.S., Trusevich, N.G. et al. Dependence of the magnetic and superconducting characteristics of fine-grained HTSCs YBa2Cu3O y on the degree of structural disorder and type of oxygen vacancy ordering in chain planes. Bull. Russ. Acad. Sci. Phys. 72, 547–549 (2008). https://doi.org/10.3103/S106287380804028X

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  • DOI: https://doi.org/10.3103/S106287380804028X

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