FrequencyModulation Piranha WWafer Roughness Cancer Logo Graphene AIN mechanical property Co/Cr/Pt Polydimethylsiloxane WS2 Formamidinium_lead_iodide Magnetic Force Microscopy MoS2 VinylAlcohol VerticalPFM Lateral Bismuth cannabidiol MembraneFilter Wonseok OpticalModulator Deposition epitaxy CompactDisk AAO fluoroaalkane Self-assembledMonolayer FrictionalForceMicroscopy LMF Water electrospinning CrAu H-BN