L.K. Wang, A. Acovic, et al.
MRS Spring Meeting 1993
Paper
Preparation of 0.5-103 Ω-cm GaAs by acceptor precipation during heat treatment of oxygen grown crystals
Abstract
Smiconducting single crystals of GaAs with resistivities ranging between 0.5. and 103 Ω-cm have been obtained by heat treating high purity, semi-insulating GaAs grown in the presence of Ga2O in a quartz system. The presence of Ga2O vapor during growth reduces Si contamination, and the subsequent heat treatment apparently removes unidentified acceptors from the lattice. © 1966.
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