mfm_amplitude Phenanthrene Flake PolymerPatterns NUS doped Aggregated_molecules electrospinning PS_PVAC PhthalocyaninePraseodymium Conductive AFM LightEmiting Phosphide ring shape Chungnam_National_University exfoliate MBE Optical Fluoride Etch IcelandSpar self_assembly dichalcogenide Tungsten Ito CVD FFM GalliumPhosphide non_contact GlassTemperature BCZT Hexylthiophene polymeric_arrays ElectrostaticForceMicroscopy Gallium