CNT SSRM mechanical property flakes Ram temp_control India PECurve CrystalGrowing Forevision lithography mono_layer Worcester_Polytechnic_Institute OxideLayer PinpointPFM Polyvinylidene IIT-chennai Chemical_Vapor_Deposition Sulfur self_assembly AdhesionEnergy Stiffness Hafnia Polystyrene #EC Tungsten_disulfide Sapphire Praseodymium Magnetic CuSubstrate Glass Ferroelectric Magnets PS_LDPE BiFeO3