AM-KPFM plastics bias_mode VerticalPFM HDD ferromagnetic Nanofiber Korea polymeric_arrays Molybdenum_disulfide GlassTemperature Semiconductor hydrocarbon cannabidiol SolarCell cannabis Kevlar Ceramic amplitude_modulation Polarization Sio2 temp Chloroform Polytetrafluoroethylene Hexacontane ElectroChemical 2dMaterials Austenite Vinylpyridine Polydimethylsiloxane TPU LifeScience FAFailureAnlaysis Molybdenum Roughness