Hafnia FrequencyModulation C36H74 Dopped Conducting organic_polymer 2-vinylpyridine DeflectionOptics Array Iron WWafer graphene_hybrid MolecularSelfAssembly temp Epoxy HfO2 Gallium_Arsenide Chungnam_National_University Force-distance FFM LogAmplifier Ni81Fe19 TransitionMetal Thermal electrospinning Leakage Platinum SmallScan Inorganic Piezoresponse PhaseImaging Growing SrTiO3 Wafer heterojunctions