AIN ElectrostaticForceMicroscopy Mobile Phosphide Reading PhaseChange Nanostructure Step SRAM Materials KPFM SICM FloppyDisk LithiumNiobate mono_layer Hexylthiophene Ca10(PO4)6(OH)2 HanyangUniv Heating Composition AlkaneFilm hetero_structure AM_KPFM Aluminum UnivMaryland HardDiskMedia Defect Tapping LiquidCrystal IVSpectroscopy Film LiftHeight ReflexLens CP-AFM LightEmission