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Interdiffusion of rare-earth cations in Ln1−x ′Ln x ″ Ba2Cu3O7 − δ (Ln′, Ln″ = Y, Dy, Ho) High-T c superconductors

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Abstract

The Y3+/Ho3+, Y3+/Dy3+, and Dy3+/Ho3+ interdiffusion coefficients in the YBa2Cu3O7 − δ-HoBa2Cu3O7 − δ, YBa2Cu3O7 − δ-DyBa2Cu3O7 − δ, and DyBa2Cu3O7 − δ-HoBa2Cu3O7 − δ systems have been determined in air at a temperature of 1233 K by the Boltzmann-Matano method from the yttrium/holmium, yttrium/dysprosium, and dysprosium/holmium concentration profiles across the diffusion zone between two pellets of the high-T c superconductors. The composition dependences of the interdiffusion coefficients in the solid-solution systems are presented.

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Authors and Affiliations

  1. Belarussian State Technological University, ul. Sverdlova 13a, Minsk, 220050, Belarus

    L. A. Bashkirov & A. I. Klyndyuk

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  1. L. A. Bashkirov
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  2. A. I. Klyndyuk
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Correspondence to L. A. Bashkirov.

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Original Russian Text © L.A. Bashkirov, A.I. Klyndyuk, 2013, published in Neorganicheskie Materialy, 2013, Vol. 49, No. 10, pp. 1095–1098.

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Bashkirov, L.A., Klyndyuk, A.I. Interdiffusion of rare-earth cations in Ln1−x ′Ln x ″ Ba2Cu3O7 − δ (Ln′, Ln″ = Y, Dy, Ho) High-T c superconductors. Inorg Mater 49, 1015–1018 (2013). https://doi.org/10.1134/S0020168513090033

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  • DOI: https://doi.org/10.1134/S0020168513090033

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