C - Chemistry – Metallurgy – 30 – B
Patent
C - Chemistry, Metallurgy
30
B
C30B 33/02 (2006.01) C30B 25/00 (2006.01) C30B 33/00 (2006.01)
Patent
CA 2212653
An object of the present invention is to provide a method for the heat treatment of ZnSe crystal whereby the crystal can be prevented from deterioration of crystallinity and caused to have low resistivity without occurrence of precipitates in the crystal. The feature of the present invention consists in a method for the heat treatment of ZnSe comprising subjecting ZnSe crystal grown by a chemical vapor transport method using iodine as a transport agent to a heat treatment in a Zn vapor atmosphere and controlling a cooling rate after the heat treatment in 10 to 200 °C/min.
Fujiwara Shinsuke
Hirota Ryu
Marks & Clerk
Sumitomo Electric Industries Ltd.
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