Gallium_Arsenide ReflexLens Polyvinylidene Ferroelectric Potential self_healing InsulatorFilm Tungsten InorganicCompound LateralForce solar_cell PFM molecular_self_assembly atomic_steps Sapphire Laser Plug Crystal kelvin probe force microscopy Electronics Corrosion Leakage PANI Semiconductor HDD TemperatureControllerStage Chromium Oxide Sphere Pinpoint CuSubstrate Solution CNT SFAs Molybdenum