Flake FM-KPFM Butterfly LiquidImaging Nanostructure PFM Copolymer Wang Edwin CuParticle Switching atomic_steps INSPParis MolybdenumDisulfide Piranha Dimethicone SurfaceOxidation SicMosfet LaAlO3 Boron ForceVolume Ferroelectric membrane Force-distance Polyvinylidene_fluoride Heat Techcomp Optoelectronic aluminum_nitride OxideLayer Anneal Writing IRDetector NanoLithography SRAM