使用金相显微镜、推力分析仪测试等手段研究了镀碳工艺参数对碳膜的表面形貌、碳膜和石英结合力的影响.获得了一个优化的镀碳工艺参数,即在镀碳温度为950~1100℃,气体流量为4~7ml/h,镀碳时间为6h,冷却时间为12h的条件下得到的碳膜较为均匀,而且和石英结合的较好.使用该工艺条件镀膜的石英管生长出的CdZnTe晶体表面光洁,位错密度低,约为4×104cm-2.
参考文献
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