When the supersaturation is increased, elementary steps begin bunching together. At the initial bunching stage, the step height and step width are increased.
增大过饱和度，基本台阶开始聚并， 聚并初期，台阶高度增加， 进而台阶宽度增加；
When the supersaturation is increased, elementary steps begin bunching together. At the initial bunching stage, the step height and step width are increased.
增大过饱和度，基本台阶开始聚并， 聚并初期，台阶高度增加， 进而台阶宽度增加；
应用推荐