ScanningIon-ConductanceMicroscopy Graphite TemperatureControllerStage ForceDistanceSpectroscopy SKKU HexagonalBoronNitride Fendb silicon_carbide molecules Adhesive CuSubstrate lift_mode PetruPoni_Institute ferromagnetic PhaseChange SPMLabs C_AFM LithiumNiobate Multiferroic_materials Biology SiWafer DNAProtein Co/Cr/Pt Calcium Fujian FloppyDisk #EC MagneticPhase Switching biocompatible Biofilm Reading rubber SiliconOxide amplitude_modulation