2018
DOI: 10.1590/s1517-707620180002.0444
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Propiedades de superficies de Zr hexagonal y ZrO2 tetragonal de bajo índice a partir de cálculos DFT

Abstract: RESUMEN El uso de los reactores nucleares como fuente de energía se ha extendido y consolidado en la segunda mitad del siglo XX y en los inicios de este siglo XXI. La continuidad de este recurso depende en gran medida de que las plantas nucleares sean cada vez más seguras y confiables, lo cual implica un mejoramiento de todos los aspectos relacionados con su operación. Entre ellos se cuenta la integridad de los elementos estructurales, que depende fuertemente de la estabilidad mecánica de los óxidos protectore… Show more

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Cited by 3 publications
(3 citation statements)
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“…However, the charge distribution of the second Zr layer is relatively stable. [ 42 ] It can be seen from Table S1, Supporting Information that, during the adsorption of H 3 BO 3 molecules parallel to the Zr(0 0 0 1) surface, the initial charge of O1, O2 and O3 in H 3 BO 3 are −0.87, −0.86, and −0.86, respectively. Nevertheless, after the adsorbates interact with Zr matrix, corresponding charges decrease to −0.76, −0.76, and −0.77, which means that the charge transfer between O atom and Zr atom is weak.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…However, the charge distribution of the second Zr layer is relatively stable. [ 42 ] It can be seen from Table S1, Supporting Information that, during the adsorption of H 3 BO 3 molecules parallel to the Zr(0 0 0 1) surface, the initial charge of O1, O2 and O3 in H 3 BO 3 are −0.87, −0.86, and −0.86, respectively. Nevertheless, after the adsorbates interact with Zr matrix, corresponding charges decrease to −0.76, −0.76, and −0.77, which means that the charge transfer between O atom and Zr atom is weak.…”
Section: Resultsmentioning
confidence: 99%
“…Thus, the bond strength of the second Zr layer can be enhanced. [29,42] Figures 10 and 11 exhibit the PDOS of each element in the configurations of LiOH molecule parallel and perpendicular to the Zr(0 0 0 1) surface, respectively. The position of s and p orbital peaks of H, Li, O elements have down shifted to lower energy relative to Fermi level, while in the Zr atom, the position of s and p orbital peaks show slight change.…”
Section: The Electronic Properties Of Lioh At Zr(0 0 0 1) Surfacementioning
confidence: 99%
“…Despite the more than 50 years of experience [1,2], hydrogen pickup and protective oxide stability remain as the main limitations determining the range of applicability for these compounds. The search for stable solutions to both problems has recently inspired many studies even using atomistic simulations [3][4][5].…”
Section: Introductionmentioning
confidence: 99%