Octahedral ceria abrasives with varied microstructures were prepared by calcining a hierarchical precursor at 500–900 °C. The relationship between calcination temperature and microstructure, mechanical hardness and chemical activity was investigated.

Organic-inorganic hybrid rare-earth double perovskite has been paid more and more attention owing to their intriguing chemical and physical properties. In this paper, we report a new layered 2D hybrid...

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