Ceria nanoparticles

(a) Scanning electron microscopy image of single crystal nanospheres of Ti-doped CeO₂ nanoparticles. (b) Transmission electron microscopy image of a single crystal CeO₂ nanosphere enclosed by a thin shell of amorphous TiO₂. (c) Molecular dynamic simulated structure of Ti doped CeO₂ nanosphere. Image credit: ZL Wang.

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