NtuEee DOE neodymium_magnets FM_KPFM Pattern pulsed_laser_deposition Tungsten NUS InsulatorFilm OpticalElement Indium_tin_oxide EFMAmplitude OpticalWaveguides P3HT Materials ScanningSpreadingResistanceMicroscopy H-BN light_emitting HanyangUniv norganic SKPM Conductance Hafnium_dioxide Ni-FeAlloy ThermalDetectors C36H74 Ram Magnets temp_control WS2 YttriaStabilizedZirconia ring shape BiVO4 ConductingPolymer NanoLithography