DiffractiveOpticalElements CHRYSALIS_INC NCM NTU GaN mechanical property ferromagnetic MechanicalProperties Insulator Friction molecules Oxidation Magnets Heating Trench InorganicCompound TCS FloppyDisk molecular_beam KAIST CarbonNanotube PetruPoni ForceVolume atomic_steps ChemicalCompound Protein ElectroDeposition ReflexLens MoS2 mono_layer LiftMode ConductingPolymer polymeric_arrays SICM Tungsten_disulfide