EFM PolymerBlend MoS2 Thermoplastic_polyurethane Gong Logo amplitude_modulation SiliconCrystal GalliumPhosphide silicon_oxide Fe_film PtfeFilter Aggregated_molecules semifluorinated_alkanes Heating ElectrostaticForceMicroscopy Foil Ferroelectric PS_PVAC Stiffness PhaseImaging Growing RedBloodCell Au111 C_AFM biocompatible Chromium Pattern GaAs Pzt Composition medical cannabidiol FrictionalForceMicroscopy exfoliate