MetalCompound HfO2 Optical Subhajjit Resistance Perovskite AM_SKPM HACrystal Iron PiezoelectricForceMicroscopy Polyurethane CHRYSALIS_INC lift_mode CopperFoil conductive aluminum_nitride Platinum PDMS InsulatorFilm MagneticPhase solar_cell SurfaceOxidation Thermoplastic_polyurethane Blend PS_PVAC nanomechanical ForceMapping Pattern MonoLayer HiVacuum SICM FailureAnlaysis Hafnium_dioxide 2-vinylpyridine SiliconOxide