Hexacontane Chungnam_National_University Topography lithography LaAlO3 Materials WS2 BiFeO3 thermal_conductivity NeodymiumMagnets TappingMode CBD ScanningKelvinProbeMicroscopy kelvin probe force microscopy Temasek_Lab Granada StyreneBeads PS_PVAC bias_mode STO Boron Fe_film Electrical&Electronics TCS Force-distance Transparent Flake Aggregated_molecules TungstenDeposition Ram Polymer ThinFilm single_layer Ni-FeAlloy PinPointMode