On the peritectic transformation in Bi sub 4 Sr sub 3 Ca sub 3 Cu sub 4 O sub 16+x and its role in the formation of the Bi sub 2 Sr sub 2 Ca sub 2 Cu sub 3 O sub 10 phase (original) (raw)

Journal of Solid State Chemistry, 1990

Abstract

The authors have studied the structural and microstructural changes of BiâSrâCaâCuâO{sub 16+x} on annealing close to its melting point and correlated these with the thermal stability and the electrical properties. Thermal analyses suggest that the BiâSrâCaâCuâO{sub 16+x} phase undergoes a peritectic or peritectic-like transformation, accompanied by oxygen loss, just before complete melting. This transformation leads to the formation of the

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