ContactMode TappingMode Alloy Polarization SICM blended polymers Layer CancerCell AdhesionEnergy EPFL PolyStylene GlassTemp Polyethylene MolybdenumDisulfide thermoplastic_elastomers LDPE pulsed_laser_deposition Wang self_healing BiFeO3 MoirePattern Cobalt-dopedIronOxide Defect NUS ReflexLens SiWafer EFMAmplitude Blend CuSubstrate 2dMaterials Dental Sio2 LogAmplifier Defects biocompatible