ShenYang small_scan Growth Alloy Led nanobar Pinpoint Scratch RedBloodCell CarbonNanotube Inorganic_Compound Microchannel fluoroaalkane TipBiasMode Adhesion Vortex GalliumPhosphide Copper Filter PinpointPFM membrane PolyStylene EPFL pinpoint mode Molybdenum CancerCell HexagonalBoronNitride Carbon Tapping InsulatorFilm layers Vinylpyridine non_contact SPMLabs AdhesionEnergy