OrganicSemiconductor silicon_oxide FrictionalForce atomic_steps DIWafer ImideMonomer PolyvinylAcetate thermal_conductivity piezoelectric force microscopy fluoroaalkane ElectrostaticForceMicroscopy LithiumNiobate 3-hexylthiophene CalciumHydroxide Etch suspended_graphene NUSNNI PECurve Zhi GlassTemperature SurfaceChange Global_Comm Switching Graphite AdhesionEnergy Kevlar Optical Indent ConductiveAFM SingleLayer chemical_compound P3HT CuFoil Titanate Yttria_stabilized_Zirconia