ElectrostaticForceMicroscopy WPlug Filter cross section Mobile STO molecules Polytetrafluoroethylene fluoroaalkane medical HACrystal SingleCrystal blended polymers Pvdf nanomechanical Adhesion AM-KPFM Electical&Electronics Gallium_Arsenide PinpointNanomechanicalMode Magnetic Force Microscopy GlassTemperature MeltingPoint temperature controller AFM fluoroalkane Fe_film KelvinProbeForceMicroscopy fe_nd_b light_emission ThermalDetectors Praseodymium C60H122 Hexacontane EFM DataStorage