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Oral presentation

The Image crystals in cerium oxides

Anada, Keito*; Oishi, Yuji*; Serizawa, Hiroyuki; Kurosaki, Ken*; Muta, Hiroaki*; Yamanaka, Shinsuke*

no journal, , 

The aim of this study is to clarify a growth process of an image crystal. A shape of cavity formed in a sintered CeO$$_{2}$$ (IV)sample was examined by FE-SEM. It was confirmed that image crystal was formed in the sample sintered under reduced atmosphere.

Oral presentation

The Shape observation of image crystals in cerium oxide

Anada, Keito*; Oishi, Yuji*; Serizawa, Hiroyuki; Kaji, Yoshiyuki; Muta, Hiroaki*; Kurosaki, Ken*; Yamanaka, Shinsuke*

no journal, , 

Polyhedral cavities which is called image crystal were observed in the Cerium Oxide sample sintered under reducing atmosphere. The facet became clear with decreasing O/M ratio which facilitates the atomic diffusion rate. This result suggests that the atomic diffusion rate of matrix significantly affects the formation of the image crystals.

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