Abstract

The phase equilibria of the system Bi 2O 3SrOCaOCuO with emphasis on the High-T c superconducting compound Bi 2Sr 2Ca 2Cu 3O 10 have been studied. For the preparation of single phase Bi 2Sr 2Ca 2Cu 3O 10-samples the exakt stoichiometry is not likely, because it is not stable. For the processing of Bi 2Sr 2Ca 2Cu 3O 10-samples the preparation of samples exhibiting a little excess of CuO and Bi 2O 3 is recommended.

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