FM_KPFM CrAu SrO exfoliate piezoelectric force microscopy molecule Pores Korea PrCurve LightEmiting Dimethicone Writing Array SSRM PolymerPatterns Collagen Hole UTEM high_resolution AmplitudeModulation Gallium_Arsenide aluminum_nitride VinylAlcohol Polyvinylidene_fluoride semifluorinated_alkanes ULCA cannabis DeoxyribonucleicAcid pulsed_laser_deposition FFM Trench optoelectronics PiezoelectricForceMicroscopy Chromium MechanicalProperty