MagneticForceMicroscopy ScanningIon-ConductanceMicroscopy Tungsten Nanotechnology Forevision MfmPhase NiFe Worcester_Polytechnic_Institute Bismuth Blend cooling ForceMapping Polytetrafluoroethylene Ni-FeAlloy cross section FM-KPFM HACrystal ferromagnetic temperature controller AFM HardDiskMedia MembraneFilter AtomicSteps Mfm HighResolution mono_layer Titanate MoS2 LDPE Indium_tin_oxide TransitionMetal dielectric_trench PolyStylene NtuEee Edwin Epoxy