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

Published online by Cambridge University Press:  01 February 2011

A.V. Garshev ,
A.V. Knotko ,
M.N. Pulkin ,
D.I. Kirdyankin ,
A.V. Geyer  and
V.I. Putlayev
A.V. Garshev
Affiliation:
Department of Materials Sciences, Moscow State University, Moscow 119992, Pussia
A.V. Knotko
Affiliation:
Department of Chemistry, Moscow State University, Moscow 119992, Pussia
M.N. Pulkin
Affiliation:
Department of Materials Sciences, Moscow State University, Moscow 119992, Pussia
D.I. Kirdyankin
Affiliation:
Department of Materials Sciences, Moscow State University, Moscow 119992, Pussia
A.V. Geyer
Affiliation:
Department of Chemistry, Moscow State University, Moscow 119992, Pussia
V.I. Putlayev
Affiliation:
Department of Chemistry, Moscow State University, Moscow 119992, Pussia
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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.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 848: Symposium FF – Solid-State Chemistry of Inorganic Materials V , 2004 , FF6.21
Copyright
Copyright © Materials Research Society 2005

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References

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