PiezoelectricForceMicroscopy UnivMaryland molecular_self_assembly Aluminium_Oxide #EC Aggregated_molecules Electronics graphene_hybrid Conducting Typhimurium Subhajjit Dimethicone CBD Sio2 NUS_Physics light_emission Chrome AlkaneFilm temperature controller AFM Chromium BiasMode fluorocarbon ChemicalCompound ferromagnetic SoftSample AM_SKPM Phosphide MeltingPoint #Materials Singapore PVA Composite Alkane Polyurethane EPFL