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本文对物理气相传输法生长的三片2英寸掺氮6H-SiC晶片,分别在不同温度下进行退火处理.采用原子力显微镜(AFM)对SiC晶片表面结构进行表征,研究了不同温度和偏角度对SiC晶片表面结构的影响.发现Ar气氛下高温退火处理可以在晶片表面形成规则的台阶条纹,说明Ar气氛下的高温退火处理对SiC晶片表面有一定的刻蚀作用.

参考文献

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