PyroelectricDetector GaN PDMS Chemical Vapor Deposition Conductance SingleLayer mono_layer China PatternedSapphireSubstrat Iron Varistor PiezoelectricForceMicroscopy Metal Bacterium Spain SurfaceOxidation AtomicLayer Gallium_Arsenide UTEM Optoelectronic Terrace Cobalt-dopedIronOxide PinPointMode Nanopattern 2d_materials CaMnO3 DNAProtein SrO ForceVolume Fluoride AEAPDES Melt bias_mode Polyvinylidene Ucl