hard_disk KelvinProbeForceMicroscopy AIN Phase Chungnam_National_University Hexatriacontane LateralPFM Titanate pinpoint mode Beads Thermoplastic_polyurethane Mobile PolymerPatterns NUS_Physics Polyvinylidene optoelectronics pulsed_laser_deposition IcelandSpar Permalloy Magnetic CaMnO3 NTU Composite I-VSpectroscopy TiO2 Polyvinylidene_fluoride BariumTitanate UnivMaryland YttriaStabilizedZirconia PatternedSapphireSubstrat self_healing MoS2 bias_mode FAFailureAnlaysis ElectroChemical