In non contact imaging on rough surface, VSPFM is more stable than conventional non contact mode AFM since polarization forces have a longer range than van der Waals forces.

• 在极化力介导的非接触方式中 ,极化力叠加在范德华力上 ,克服了一般的原子力显微镜(AFM)非接触模式中因成像力程太短而不容易稳定的缺点 ;