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Crystalline Phases During the Melting of Bi2Sr2CaCu2OX

Published online by Cambridge University Press:  25 February 2011

Ming Xu ,
J. Polonka ,
A. I. Goldman ,
D. K. Finnemore ,
Qiang Li  and
F. C. Laabs
Ming Xu
Affiliation:
Ames Laboratory, U.S. Department of Energy and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011
J. Polonka
Affiliation:
Department of Chemistry, Iowa State University, Ames, IA 50011
A. I. Goldman
Affiliation:
Ames Laboratory, U.S. Department of Energy and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011
D. K. Finnemore
Affiliation:
Ames Laboratory, U.S. Department of Energy and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011
Qiang Li
Affiliation:
Ames Laboratory, U.S. Department of Energy and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011
F. C. Laabs
Affiliation:
Department of Materials Science and Engineering, Iowa State University, Ames, IA 50011
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Abstract

The melting of Bi2Sr2CaCu2Ox material has been studied by scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) in order to study the phases that formed in the high temperature regions. Two distinct phases of (Sr1-xCax)CuO2 and (Sr1-xCax)2CuO3 have been observed in the Bi-rich matrix depending upon quenching temperatures. Crystallization from the melt by fast cooling usually produce the co-existence of Bi (2201) and these Sr-Ca-Cu-O phases.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 249: Symposium Q – Synthesis and Processing of Ceramics: Scientific Issues , 1991 , 175
Copyright
Copyright © Materials Research Society 1992

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References

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