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采用直拉法生长 4 英寸低位错锗单晶,研究了热场温度梯度、缩颈工艺、拉晶工艺参数对单晶位错密度的影响,测量了单晶位错密度,结果表明位错密度小于3000.cm-2,满足空间GaAs/Ge太阳电池的使用要求.

参考文献

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