pinpoint mode Vacuum flakes AM_KPFM MultiferroicMaterials MagneticForceMicroscopy BreastCancerCell TCS Butterfly UnivCollegeLondon I-VSpectroscopy Glass Adhesion Tungsten FFM Sadowski Hair MetalCompound Heat Dimethicone Ito Inorganic_Compound WPlug PolymerPatterns high_resolution Switching Logo ThermalProperties SiliconeOxide ContactModeDot domain_switching EFMAmplitude MechanicalProperties PMNPT Fet