简述了单晶生长用ZnSe多晶料的制备方法.分别以颗粒状和粉末状的高纯单质Zn和Se为原料,采用元素直接合成法合成了ZnSe多晶料,分析了直接合成的困难所在.理论分析和实验研究均表明:前期H2-O2焰下高温灼烧(～1500℃)使Zn和Se充分反应,是合成工艺的关键;延长后期恒温时间(不少于2周),使扩散反应进行完全,有利于获得更接近化学计量比的ZnSe多晶料.
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