Hydroxyapatite GaAs TCS OrganicSemiconductor Liquid Morphology Change nanomechanical silicon_oxide Treatment FrequencyModulation PUR LaAlO3 Biofilm fluorocarbon FM-KPFM TipBiasMode Foil ShenYang oxide_layer GaP HDD VinylAlcohol Annealing temp SICM PvdfFilm Mapping Conducting Resistance Sulfur Permalloy Pyroelectric Silicon phase_change