Molybdenum_disulfide StrontiuTitanate ContactMode IcelandSpar HexacontaneFilm hetero_structure CNT 2d_materials Bmp HOPG Phenanthrene FFM Composition Polyurethane ForceVolumeImage MfmPhase Cobalt-dopedIronOxide PhaseChange Self-assembledMonolayer ElectrostaticForceMicroscopy TiO2 Pinpoint LiNbO3 OrganicCompound nanomechanical Electical&Electronics BiFeO3 atomic_layer PtfeMembrane FrictionForce CrAu Leakage self-assembled_monolayer Magnets UnivMaryland