Magnetic multi_layer OrganicCompound Edwin FM_SKPM GranadaUniv high_resolution Hafnium_dioxide SFAs FFM ring shape WWafer MolecularSelfAssembly Singapore Sapphire doped Gallium_Arsenide ConductingPolymer Kevlar LateralForceMicroscopy PvdfBead temp dielectric trench LateralPFM Vanadate PpLdpe lift_mode ItoGlass KelvinProbeForceMicroscopy HDD FrictionForce Platinum ThermalConductivity graphene_hybrid PhaseImaging