ElectrostaticForceMicroscopy PolyvinylAcetate Patterns Oxide CaMnO3 Adhesion Conducting Magnets CuFoil pulsed_laser_deposition tip_bias_mode Tungsten_disulfide HydroGel CopperFoil Roughness Treatment Pinpoint 2dMaterials IRDetector InorganicCompound Chromium DOE SrTiO3 EFM fifber Spincast Magnetic Force Microscopy contact Tin disulfide LFM Change PrCurve Sphere Etch molecule