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Noirault, S., Celerier, S., Joubert, O., Caldes, M. T. & Piffard, Y. (2007) Water incorporation into the (Ba(1-x)Lax)(2)In2O5+x square(1-x) (0 <= x < 0.6) system. Solid State Ion. 178 1353–1359. 
Added by: Laurent Cournède (2016-03-10 22:02:29)
Type de référence: Article
DOI: 10.1016/j.ssi.2007.07.013
Numéro d'identification (ISBN etc.): 0167-2738
Clé BibTeX: Noirault2007a
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Catégories: ST2E
Mots-clés: (ba0.3sr0.2la0.5)ino2.75 electrolyte, (ba1-xlax)(2)in2o5+x, absorption, ba2in2o5-rectangle, crystal-structure, fuel-cells, oxide-ion conductivity, oxohydroxo perovskite compounds, Oxygen, proton conductivity, proton conductivity, Stability, Thermal behavior
Créateurs: Caldes, Celerier, Joubert, Noirault, Piffard
Collection: Solid State Ion.
Consultations : 18/573
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
(Ba1-xLax)(2)In2O4+2x(OH)(y) (0 {<}= x {<} 0.6; y {<}= 2(1-x)) compounds were prepared by reacting (Ba1-xLax)(2)In2O5+x square(1-x)(0 {<}= x {<}= 0.6) phases with water vapor. This reaction is reversible. A thermal analysis of the hydration process shows that the stability of hydrated phases decreases when x increases. The filling of oxygen vacancies is complete up to x=0.2 and decreases for larger x values to reach 17\% only for x=0.5. For x {<}= 0.3 the incorporation of water is not a single-phase reaction. In wet air at 350 degrees C, a proton contribution to the total conductivity is observed for all compositions but its proportion decreases when x increases. (c) 2007 Elsevier B.V All rights reserved.
Added by: Laurent Cournède  
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