kelvin probe force microscopy Iron STM self_healing ElectrostaticForceMicroscopy Sidewall Ferroelectric MoS2 SoftSample BiVO4 Dental Alloy Fendb Zhi AM_KPFM CBD Non-ContactMode IndiumTinOxide Polyimide LateralForce Ecoli PhaseTransition Holes Hexacontane Inorganic_Compound Tin disulfide DataStorage Polyaniline Regensburg Thermal PetruPoni Microchannel doped Phenanthrene AtomicLayer