Friction Pinpoint PFM PinPointMode Beads Vac Polyimide Phenanthrene Stiffness Polymer PVAP3HT Polytetrafluoroethylene CaMnO3 Lateral amplitude_modulation CBD Photovoltaics Nickel Phthalocyanine Layer ConductiveAFM Ram conductive domain_switching mono_layer ContactModeDots ImideMonomer semifluorinated_alkanes Wafer TemperatureControl CntFilm TemperatureControllerAFM IVSpectroscopy FrequencyModulation small_scan SmalScan