cannabis WS2 Subhajjit PrCurve Iron Aluminium_Oxide HBN Magnetic single_layer LiBattery EvatecAG Conductive AFM MetalCompound Hexylthiophene Pore hard_disk_media Nanofiber MultiferroicMaterials ContactMode Piezo CrystalGrowing Zagreb Non-ContactMode MESA structure molecule KPFM contact Conduct Alkane food Steps ElectroChemical DeflectionOptics NUS_NNI_Nanocore Inorganic_Compound