atomic_steps Pattern KAIST Dr.JurekSadowski LiIonBattery cannabinoid Holes HfO2 PiezoelectricForceMicroscopy ElectroChemical Array SurfaceChange Polyvinylidene_fluoride AtomicSteps Topography Copolymer LDPE VerticalPFM Mfm Logo SICM Mechanical StainlessSteel Monisha CVD Ni-FeAlloy Electrode Mechanical&nanotechnology Vacuum Hole OpticalWaveguide mechanical_property Electical&Electronics PinPointMode Force-distance