MESA structure ElectroChemical Ito Sidewall Chungnam_National_University chemical_compound StrontiumTitanate Gallium_Arsenide Cobalt-dopedIronOxide DiffractiveOpticalElements sputter GaN KelvinProbeForceMicroscopy Magnetic TungstenDeposition Logo P3HT PolyimideFilm Pinpoint temperature controller AFM suspended_graphene RedBloodCell FrictionForce PUR mechanical property CP-AFM PinPointMode Annealing Vacuum MembraneFilter OpticalModulator SICM thermal_property ULCA Layer