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对柠檬酸系、盐酸系溶液腐蚀GaAs/InGaP异质结构材料体系时出现的腐蚀不均匀现象进行了实验研究,采用原子力显微镜(AFM)、电子显微镜、台阶仪等分析了不同腐蚀条件下GaAs/InGaP异质界面的腐蚀形貌,找到了简单有效的办法,可获得很好的表面平整度,同时侧向腐蚀也较小.

参考文献

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