Crucible corrosion in crystal growth of YBa2Cu3O7-x

Abstract
Crucible corrosion is one of the major obstacles to obtaining large crystals of the high-temperature superconductor YBa2Cu3O7-x. The crucible-melt interfaces of three types of ceramics (alumina, zirconia and tin oxide) have been studied in order to understand the corrosion mechanism. This may help to reduce the crucible problem in crystal growth of YBCO and to indicate alternative crucible materials of improved corrosion resistance.

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