Conductivity Graphene CalciumHydroxide norganic SAM membrane ScanningTunnelingMicroscopy GlassTemp Wonseok Glass Hysteresys TCS PECurve Terrace pinpoint mode Korea mono_layer BiFeO3 DeflectionOptics CNT Zhi NUS_NNI_Nanocore silicon_carbide Sperm Hole Ceramic cross section CopperFoil Thermoplastic_polyurethane SoftSample Ni-FeAlloy Ptfe hard_disk_media PMNPT align