High Resolution Image Download MS PowerPoint Slide High-resolution electron microscopy, high-angle annular dark field images, electron tomography data, and density functional theory calculations are presented that show the occurrence of significant structural and surface modifications in a nanocrystalline sample of cerium−zirconium mixed oxide upon high-temperature reduction with hydrogen followed by mild oxidation. Our findings may lend further support to a recently proposed model in accordance with which the enhanced reducibility exhibited by the mixed oxide after this treatment is due to parallel modifications occurred in its surface chemistry.
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Hernández‐Garrido et al. (2007) studied this question.