TappingMode MechanicalProperties Galfenol Friction ScanningTunnelingMicroscopy PFM LDPE Electronics Pore AEAPDES LateralForceMicroscopy Potential dielectric trench Techcomp electrospinning mechanical property Sphere atomic_steps Cross-section SFAs molecular_self_assembly heterojunctions Polystyrene SurfaceChange single_layer Blood Magnetostrictive Scratch KPFM LeakageCurrent SrTiO3 FAFailureAnlaysis CntFilm Indium_tin_oxide SiliconOxide