Polyvinylidene_fluoride HACrystal gallium_nitride Workfunction tip_bias_mode HardDisk DeflectionOptics PolyvinylideneFluoride PolyimideFilm AmplitudeModulation PetruPoni_Institute hydrocarbon Litho strontiu_titanate bias_mode Defect Pores Carbon KevlarFiber PvdfBead self-assembled_monolayer Thermal HighAcpectRatio Ferrite Electrode Conductive AFM OpticalWaveguide TappingMode ConductiveAFM light_emitting TemperatureControl blended polymers Graphene FM_KPFM Sic