Alkane AtomicSteps Flake Singapore high_resolution SThM Growth mfm_amplitude Biology StainlessSteel Croatia Ptfe DentalProsthesis LiquidCell MESA structure NTU Corrosion Pinpoint Materials LMF Nickel AmplitudeModulation SurfaceOxidation Bio Pyroelectric LDPE ScratchMode Melt Optic Phase FM-KPFM vertical_PFM STM TriGlycineSulphate EFM