cannabinoid FastScan heterojunctions HDD PinPointMode Corrosion Writing Vinylpyridine Temperature AmplitudeModulation MagneticForce StainlessSteel Roughness SrO PvdfBead LDPE FuelCell Growth dielectric_trench Liquid Sulfur BoronNitride frequency_modulation kelvin probe force microscopy GaAs CrossSection Topography OpticalWaveguides Current LiquidCell nanobar graphene_hybrid HanyangUniv Chromium LateralPFM