KelvinProbeForceMicroscopy PolyvinylAcetate molecular_self_assembly Non-ContactMode Wafer ScanningKelvinProbeMicroscopy Pvdf GaP Glass layers Vanadate Pyroelectric Composite atomic_layer Modulus PolyvinylideneFluoride ThermalConductivity Korea flakes PiezoelectricForceMicroscopy LightEmiting GalliumPhosphide Phthalocyanine Pores LiquidCell MoirePattern Titanate BiVO4 LogAmplifier Copolymer Zagreb Microchannel TriGlycineSulphate mfm_amplitude EFMAmplitude