HanyangUniv Praseodymium NanoLithography PatternedSapphireSubstrat Solar InorganicCompound OpticalModulator FM-KPFM Hair PvdfFilm Copolymer TungstenThinFilmDeposition SKPM LDPE DNA Cancer Inorganic_Compound Photovoltaics IndiumTinOxide ContactModeDots Litho Ni-FeAlloy Perovskite HighAcpectRatio Morphology thermal_conductivity ScanningSpreadingResistanceMicroscopy IISCBangalore exfoliate Stiffness Copper bias_mode molecule PolycrystallineFerroelectricBCZT Annealing