SFAs semifluorinated alkane Anneal Gallium_Arsenide Insulator MagneticForce Ni81Fe19 CalciumHydroxide LiquidImaging plastics ForceVolumeMapping Wafer VortexCore Cancer hetero_structure CuParticle temperature controller AFM Piranha WPlug Pinpoint PFM single_layer Permalloy UnivMaryland LFM Polytetrafluoroethylene ElectroDeposition Polyethylene Resistance CarbonNanotube LiftMode Polyimide Friction Mobile Optical Scanning_Thermal_Microscopy