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... 2.3 Research method 2.4 Apparatus, device and material CHAPTER RESULTS AND DISCUSSION 3.1 Nd2O3 nanomaterials Nd2O3 nanostructures including hierarchical nanospheres and nanoporous networks were... Nd2O3 nanoparticles with very small and uniform particle sizes Removal of the surfactant by precipitation in ethanol formed the hiearchical nanospheres with a diameter of about 350 nm Meanwhile,... Gd2O3 nanoparticles and Gd(OH)3 nanorods The scheme of the formation mechanism of materials was shown in figure 3.14 Figure 3.14 The scheme of the formation mechanism of Gd2O3 nanoparticles and