Oxygen potential and defect structure of oxygen-excess pyrochlore Ce $_{2}$ Zr $_{2}$ O $_{7+x}$

Otobe, Haruyoshi ; Nakamura, Akio; Yamashita, Toshiyuki; Minato, Kazuo

Pyrochlore-type (P-type) zirconias have been attracting significant research interest as disposable forms of high-level radioactive waste. In this work, we have clarified the oxygen potentials (g(O $_{2}$ )) vs. oxygen nonstoichiometry (x) and temperature relations of P-type Ce $_{2}$ Zr $_{2}$ O $_{7+x}$ by the emf method and determined the lattice parameters (a0) with respect to x by XRD method.

Language	:	English
Journal	:	Journal of Physics and Chemistry of Solids
Volume	:	66
Number	:	2-4
Pages	:	p.329 - 334
Publication Year/Month	:	2005/02
Meeting title	:	11th International IUPAC Conference on High Temperature Materials Chemistry (HTMC-11)
Held date	:	2003/05
Location (city)	:	Tokyo
Location (country)	:	Japan
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/j.jpcs.2004.07.015
DOI for research data	:
Keywords	:	Zirconia; Pyrochlore; Oxygen Potential; Defect Structure; Lattice Parameter
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:

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Registration No. : B20030253
JAEA Abstracts No. : 34000671
Paper Submission No. : 808

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Oxygen potential and defect structure of oxygen-excess pyrochlore CeZrO

Oxygen potential and defect structure of oxygen-excess pyrochlore Ce $_{2}$ Zr $_{2}$ O $_{7+x}$