The results show that, the Cu adatom may have an impact on the substrate as deep as 10 layers and will lead to ununiformity of the distribution of surface strain and local pressure.

• 研究发现：表面吸附原子导致的Cu基体晶格畸变的范围可多达10个原子层，同时引起了基体表面应变状态与局域应力的非均匀分布。