Molybdenum Nanofiber Jason neodymium_magnets silicon_oxide ScanningIon-ConductanceMicroscopy LeakageCurrent Potential Gold AM_KPFM temperature_control blended polymers Oxide Bismuth F14H20 polyvinyl acetate DentalProsthesis Current BloodCell BiasMode AM-KPFM ScanningKelvinProbeMicroscopy LDPE Electical&Electronics DOE ForceMapping mechanical_property TemperatureControlledAFM mechanical property sputter Wafer H-BN OxideLayer Floppy Collagen