Phosphide Cancer self-assembled_monolayer CP-AFM Ram NusEce PatternedSapphireSubstrat gallium_nitride 2d_materials Mfm DLaTGS CeNSE_IISc Vacuum Bacteria TungstenThinFilmDeposition Defect Deposition CopperFoil TiO2 FailureAnlaysis CrossSection DOE Techcomp BaTiO3 NUSNNI Vortex LaAlO3 UTEM HydroGel vertical_PFM MetalCompound Au111 Copolymer LiftMode pulsed_laser_deposition