cross section SmallScan membrane Metal-organicComplex PolycrystallineFerroelectricBCZT Global_Comm Self-assembledMonolayer CopperFoil PANI HumanHair InorganicCompound Optoelectronic Photovoltaics DNAProtein Optoelectonics NUSNNI SICM CNT MechanicalProperties NeodymiumMagnets kelvin probe force microscopy Tungsten_disulfide rubber chemical_compound Oxide STO TungstenDeposition Conductivity ContactModeDots LiftHeight sputter LogAmplifier dichalcogenide UnivCollegeLondon Pinpoint PFM