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用Franz-Keldysh效应研究GaAs表面硫化学钝化
Authors
廖友贵
张存洲
+4 more
李乙钢
梁基本
潘士宏
金鹏
Publication date
1 January 1999
Publisher
Abstract
硫钝化是一种比较有效的钝化GaAs表面的方法。使用Na_2S、S_2Cl_2和CH_3CSNH_2三种化学试剂对表面-本征层-重掺杂层(s-i-n~+)结构的GaAs样品进行了钝化,利用光调制反射谱观察到许多个Franz-Keldysh振荡,测量出本征层的电场强度,研究了GaAs表面硫钝化前后费米能级的变化,并且比较了各种钝化方法的钝化效果
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Last time updated on 15/03/2019