Piranha SKPM LateralPFM exfoliate ContactModeDots SurfaceOxidation Sic MLCC Tungsten MembraneFilter fe_nd_b ItoGlass Iron Beads Hydroxyapatite Reading BoronNitride Oxide Zhi AtomicLayer SiWafer MBE Materials self-assembled_monolayer ContactModeDot FrictionalForceMicroscopy Chemical_Vapor_Deposition Display suspended_graphene Layer Switching OrganicCompound FM_KPFM PhaseImaging FrictionForce