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Internal oxidation in solid solutions Bi2.1-xPbxSr2-yCa1-zRy+zCu2O8+d (R = Y, Nd or La).

  • A.V. Garshev (a1), A.V. Knotko (a2), M.N. Pulkin (a1), D.I. Kirdyankin (a1), A.V. Geyer (a2) and V.I. Putlayev (a2)...

Abstract

Bi2-xPbxSr2CaCu2O8+d solid solutions with substitution of Sr or Ca by Y, Nd or La were fabricated at 760 - 79°C in N2-flow. The as-synthesized solutions were oxidized in air under isothermal condition and tested with XRD, TGA chemical analysis, TEM, XANES. Effect of rare-earth element content on oxidation kinetics and microstructure of the product is discussed.

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4. Veresov, A., Pulkin, M., Knotko, A., Putlyaev, V. and Salje, E.K.H.. in High-Temperature Superconductors - Crystal Chemistry, Processing and Properties, (Mater. Res. Soc. Symp. Proc. 659, Pittsburgh, PA, 2001), p.II9.6.1.
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Internal oxidation in solid solutions Bi2.1-xPbxSr2-yCa1-zRy+zCu2O8+d (R = Y, Nd or La).

  • A.V. Garshev (a1), A.V. Knotko (a2), M.N. Pulkin (a1), D.I. Kirdyankin (a1), A.V. Geyer (a2) and V.I. Putlayev (a2)...

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