UnivOfMaryland NusEce hetero_structure LightEmission ElectrostaticForceMicroscopy MagneticPhase Barium_titanate contact Array Dental Aluminum TungstenThinFilmDeposition domain_switching Phosphide atomic_steps Aluminium_Oxide Al2O3 DentalProsthesis Polyimide MoirePattern HOPG norganic LDPE PpLdpe BiasMode Subhajjit Nanofiber cross section Typhimurium Optoelectonics Fendb LiIonBattery FuelCell electrospinning polymeric_arrays