MagneticForceMicroscopy FAPbI3 Spincast semifluorinated_alkanes NUS_Physics AdhesionEnergy ConductiveAFM FrictionForce fluorocarbon Writing Hair LogAmplifier Zhi Self-assembledMonolayer amplitude_modulation nanomechanical WS2 Au111 Protein Phenanthrene IMT_Bucharest HBN F14H20 DiffractiveOpticalElements Crystal PinPointMode CP-AFM rubber CrossSection AM_KPFM Fiber LiquidCrystal PVAP3HT FuelCell Kevlar