Stiffness Current KevlarFiber Mosfet PinpointPFM SFAs KelvinProbeForceMicroscopy IcelandSpar Electrode Fe_film aluminum_nitride conductive HOPG BoronNitride Cell LogAmplifier Solution DomainSwitching Bio neodymium_magnets MeltingPoint AdhesionEnergy Vinylpyridine Battery EFM Graphite Ni-FeAlloy PhaseChange plastics Roughness Bacterium Lateral_Force_Microscopy LaAlO3 ULCA SSRM