Oxygen potential measurements of fluorite-type Zr0.5Pu0.5O2−y by EMF method

Otobe, Haruyoshi; Yamashita, Toshiyuki; Minato, Kazuo

doi:10.1016/j.jnucmat.2005.04.045

Cited by 4 publications

(1 citation statement)

References 12 publications

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“…In our previous studies, the oxygen potentials of pyrochlore‐type Pu 2 Zr 2 O 7+ y and fluorite‐type Pu 0.5 Zr 0.5 O 2− x , both of which are the equimolar solid solutions of PuO 2− x and ZrO 2 , have been investigated. It was found that their oxygen potentials are much higher than PuO 2− x at the corresponding oxygen ratio to metal (O/M) and temperature.…”

Section: Introductionmentioning

confidence: 99%

Oxygen Potentials of Pyrochlore‐Type Am₂Zr₂O_7+y

Otobe

Takano

Hayashi

et al. 2011

Journal of the American Ceramic Society

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The relations between the oxygen potentials and the excess oxygen-nonstoichiometry (y) of the pyrochlore-type Am 2 Zr 2 O 7+y at 1333 K were measured by the electrochemical method using a zirconia solid electrolyte and the change of mass by oxidation and reduction. The oxygen potentials at 1333 K smoothly increased from À516.5 to 0.00 kJ/mol with increasing y from 0.00 to 0.56. It was found that the oxygen potentials of Am 2 Zr 2 O 7+y were higher than those of AmO 2Àx and Am 0.5 Np 0.5 O 2Àx measured in our previous studies at 1333 K. The results were discussed with the valence state and ionic radius of cations as well as the phase relations.C. Jantzen-contributing editor Manuscript No. 28742.

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Section: Introductionmentioning

confidence: 99%