采用化学气相输运法在常压开放系统中,以ZnO粉体为原料,HCl和NH3为输运气体,O2和H2O为反应气体,适度过量的HCl作为刻蚀性气体,在(0001)方向的蓝宝石籽晶片上制备了(0002)方向定向生长的ZnO晶体,且a、b轴生长速度明显高于c轴方向.以(0002)方向的ZnO籽晶片作基片,制备了ZnO单晶厚膜,晶体呈螺旋状外延生长,正极面的单晶摇摆曲线半高宽为543.6弧秒.
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