2d_materials Wang AtomicSteps Tapping PrCurve ThermalProperties HOPG Workfunction ItoGlass ConductingPolymer MembraneFilter Insulator ScanningTunnelingMicroscopy SKKU Yttria_stabilized_Zirconia food Ni81Fe19 Sphere NusEce blended polymers MagneticPhase temp SICM NTU STO UTEM UnivOfMaryland Al2O3 pinpoint mode suspended_graphene Piezoelectric HiVacuum Aluminum DLaTGS silicon_oxide