Topography semifluorinated_alkane Liquid FrictionalForceMicroscopy Mapping PhaseTransition PVAC cannabinoid Ca10(PO4)6(OH)2 Mechanical #EC PyroelectricDetector Perovskite pulsed_laser_deposition Chungnam_National_University Calcite PhaseImaging ElectrostaticForceMicroscopy PVAP3HT ForceVolume F14H20 BismuthVanadate Monisha Piezo Heat China Worcester_Polytechnic_Institute Polydimethylsiloxane UnivCollegeLondon Pattern ScanningSpreadingResistanceMicroscopy H-BN Pinpoint conductive ForceVolumeImage