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... 7 , 1000 ( 1975 ) . [ 3 ] J. J. Tietjen and L. R. Weisberg . , Appl . Phys . Letters . , 7 , 261 ( 1965 ) . [ 4 ] T. Y. Wu . , J. of Crystal Growth . , 21 , 85 ( 1974 ) . [ 5 ]复旦大学物理系讲义,半导体材料(下) ,第 135 页, 1974 年。[ 6 ] ...