CdZnTe crystals were grown by the vertical Bridgman technique using boron oxide for preventing material decomposition. The experiments show that a boron oxide layer completely encapsulates the crystal during growth, so that the crystal grows without direct contact with the crucible. The origins of this effect are investigated. In this work it is shown that boron oxide and quartz create a mixing layer at high temperature. This layer explains the reason for the good wetting of the quartz crucible by boron oxide.
Full encapsulated CdZnTe crystals by the vertical Bridgman method
Zha M;Zappettini A;Calestani D;Zanotti L;
2008
Abstract
CdZnTe crystals were grown by the vertical Bridgman technique using boron oxide for preventing material decomposition. The experiments show that a boron oxide layer completely encapsulates the crystal during growth, so that the crystal grows without direct contact with the crucible. The origins of this effect are investigated. In this work it is shown that boron oxide and quartz create a mixing layer at high temperature. This layer explains the reason for the good wetting of the quartz crucible by boron oxide.File in questo prodotto:
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