It is discussed how to calibrate the piezoelectric coefficients of piezoelectric ceramics in STM and how to analyze the STM images of HOPG.

• 讨论了隧道扫描显微镜(STM)中压电陶瓷压电系数的测量计算及高定向裂解石墨(HOPG)的STM图象.；这对STM图象的分析有着重要的作用