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justbbzhu

铜虫 (小有名气)

[求助] CVD生长ZnO,管壁和舟上都有,但无法沉积到基片上?

双温区管式炉热蒸发,Zn源600-800度,沉积区400-600度,载气Ar+O2约200sccm,基片为玻璃和硅片。
陶瓷舟、刚玉舟、管壁都能沉积上白色膜,但基片上很难,请教为何?
基片清洗非常干净,有机溶剂和酸液依次超声过。
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hngstephen

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【答案】应助回帖

硅基片清洗完后多久放入炉管?时间太长(>4hrs)有可能是由于表面氧化了
2楼2013-11-14 16:41:26
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