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Internal Oxidation in Bi2.1 − x Pb x Sr2 − y Ca1 − z Ry + zCu2O8 + d (R = Y, Nd, La) Solid Solutions

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Abstract

Bi2.1 − x PbxSr2CaCu2O8 + d samples containing Y, Nd, or La on the Sr or Ca site were synthesized at 760–790°C in flowing N2 and were oxidized in air at different temperatures. The samples were characterized by x-ray diffraction, transmission electron microscopy, thermogravimetry, chemical analysis, inelastic neutron scattering, and EXAFS spectroscopy. The oxidation kinetics of the solid solutions and the microstructure of the oxidation products were shown to correlate with the rare-earth content.

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Authors and Affiliations

  1. Moscow State University, Vorob’evy gory 1, Moscow, 119992, Russia

    A. V. Knotko, A. V. Garshev, M. N. Pulkin, D. I. Kirdyankin & V. I. Putlyaev

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  1. A. V. Knotko
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  2. A. V. Garshev
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  3. M. N. Pulkin
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  4. D. I. Kirdyankin
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  5. V. I. Putlyaev
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__________

Translated from Neorganicheskie Materialy, Vol. 41, No. 8, 2005, pp. 966–970.

Original Russian Text Copyright © 2005 by Knotko, Garshev, Pulkin, Kirdyankin, Putlyaev.

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Knotko, A.V., Garshev, A.V., Pulkin, M.N. et al. Internal Oxidation in Bi2.1 − x Pb x Sr2 − y Ca1 − z Ry + zCu2O8 + d (R = Y, Nd, La) Solid Solutions. Inorg Mater 41, 845–849 (2005). https://doi.org/10.1007/s10789-005-0224-8

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  • DOI: https://doi.org/10.1007/s10789-005-0224-8

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