I-VSpectroscopy IMT_Bucharest LateralPFM FrictionalForceMicroscopy MolybdenumDisulfide Polyethylene Conductivity StyreneBeads Conductance Hafnia KAIST PDMS AdhesionForce Glass Moire China atomic_steps Water Foil Nanostructure TemperatureControlledAFM biocompatible Permalloy SiliconeOxide MfmAmplitude LithiumNiobate Fe_film Imprint Litho Terrace OpticalModulator ScanningSpreadingResistanceMicroscopy Kevlar Blend GranadaUniv