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Study of YBa2Cu3O7−x reaction kinetics by Rietveld method

Published online by Cambridge University Press:  05 March 2012

Maria Cristina Comunian Ferraz ,
Heitor Cury Basso  and
Yvonne P. Mascarenhas
Maria Cristina Comunian Ferraz
Affiliation:
Faculdades Integradas de Jau´, Jau´, S.P., Brazil
Heitor Cury Basso*
Affiliation:
Departamento de Engenharia Ele´trica—EESC—USP, C.P. 359, CEP 13560-970 S. Carlos, S.P., Brazil
Yvonne P. Mascarenhas
Affiliation:
Instituto de Fı´sica de Sa˜o Carlos, USP, S. Carlos, S.P., Brazil
*
a)Author to whom correspondence should be addressed. Electronic mail: hcbasso@sel.eesc.sc.usp.br
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Abstract

Using a recent proposed analysis procedure for quantitative phase determination by X-ray powder diffraction, YBa2Cu3O7−x solid state formation reaction kinetics at 900 °C was studied. Although there was the presence of partial amorphous components, it was possible to determine a reaction route for the synthesis of the title compound from X-ray powder diffraction data collected at various stages of the thermal treatment and using the Rietveld method for the quantitative determination of the phase composition

Type
Technical Articles
Information
Powder Diffraction , Volume 16 , Issue 1 , March 2001 , pp. 25 - 29
Copyright
Copyright © Cambridge University Press 2001

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