STM fifber Litho Carbon ScanningTunnelingMicroscopy suspended_graphene Steps Fe_film Stiffness Optoelectonics Cobalt PolymerBlend Phthalocyanine ElectroDeposition PANI FrictionalForce SKPM Ferrite Terrace PinpointNanomechanicalMode Silver OpticalWaveguide Polyurethane self_assembly HighAcpectRatio Change Tin sulfide DOE Growing PVAC Solution semifluorinated alkane China Yeditepe_University BCZT