SelfAssembly Gong HiVacuum amplitude_modulation Varistor LFM Ferroelectric Vac BaTiO3 StyreneBeads Non-ContactMode Change chemical_compound DataStorage blended polymers electrospinning ThermalConductivity piezoelectric force microscopy layers multi_layer molecular_self_assembly Growth PFM PetruPoni gallium_nitride AAO Singapore UnivOfMaryland Wonseok Nanotechnology ReflexLens I-VSpectroscopy Adhesion TungstenDeposition LateralPFM