Experimental evidence of Xe incorporation in Schottky defects in UO2 | Zendy

René Bès | Zendy; P. Martín | Zendy; Emerson Vathonne | Zendy; Rémy Delorme | Zendy; C. Sabathier | Zendy; Michel Freyss | Zendy; Marjorie Bertolus | Zendy; Pieter Glatzel | Zendy

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Experimental evidence of Xe incorporation in Schottky defects in UO2

Author(s) -

René Bès,

P. Martín,

Emerson Vathonne,

Rémy Delorme,

C. Sabathier,

Michel Freyss,

Marjorie Bertolus,

Pieter Glatzel

Publication year - 2015

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4914300

Subject(s) - xenon , uranium dioxide , annealing (glass) , uranium oxide , uranium , schottky diode , materials science , noble gas , oxide , xanes , absorption (acoustics) , actinide , radiochemistry , chemistry , atomic physics , optoelectronics , inorganic chemistry , physics , diode , quantum mechanics , spectroscopy , metallurgy , composite material

We report here the direct experimental observation of the preferential xenon incorporation site in uranium dioxide and analyse how its incorporation evolves with the annealing temperature. We show that High Energy Resolution Fluorescence Detection X-ray Absorption Near Edge Structure in combination with first-principles calculations enable a precise determination of the Xe incorporation site. Our finding provides important insight for the understanding and modeling of noble gases behavior in nuclear oxide fuel.

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