LateralForceMicroscopy PVAC 2d_materials Electronics WS2 rubber PinpointPFM PinpointNanomechanicalMode STO Ecoli GaN Jason ScratchMode flakes FrictionalForceMicroscopy SoftSample Corrosion TempControl ScanningThermalMicroscopy Phenanthrene Conducting ito_film Topography Subhajjit Growing OpticalWaveguide OrganicCompound Photovoltaics Electrical&Electronics ScanningSpreadingResistanceMicroscopy Trench contact bias_mode OrganicSemiconductor Vanadate