Electrical&Electronics neodymium_magnets HDD UnivMaryland CarbonNanotube Force-distance NiFe UnivOfMaryland HighAcpectRatio DeflectionOptics PS_PVAC Collagen SKPM LiIonBattery plastics Tungsten_disulfide PinPointMode hard_disk ForceVolumeImage Au111 SingleLayer HardDisk ThermalProperties Typhimurium Polypropylene pinpoint mode PDMS ConductiveAFM Hafnium_dioxide CeramicCapacitor Microchannel EFM AtomicSteps PatternedSapphireSubstrat Reduction