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Updated: Jan 23, 2026
10:42
Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV
Published on: December 29, 2016
11.1K
Manipulación de la química de defectos por irradiación de iones pesados en soluciones sólidas de CeO2 dopado con Y
R Mohun1, T Cordara2, J McCloy3
1Nuclear Futures Institute, School of Computer and Science Engineering, Bangor University, Bangor, LL57 1UT, UK. r.mohun@bangor.ac.uk.
Physical chemistry chemical physics : PCCP
|January 21, 2026
Resumen
La ceria dopada con itrio (CeO2) muestra una mayor estabilidad a la radiación debido al orden de los defectos y a la recuperación mejorada de la red. El dopaje mejora la resistencia al daño por radiación, y los efectos superficiales influyen en la atenuación de los defectos.
Sus antecedentes:
- La ceria (CeO2) es un material versátil con aplicaciones en catálisis, pilas de combustible de óxido sólido y blindaje contra la radiación.
- Comprender el impacto del dopaje y la irradiación en la estructura de defectos de la ceria es crucial para optimizar su rendimiento y durabilidad.
Conclusiones:
- El dopaje con itrio mejora significativamente la estabilidad a la radiación de la ceria al promover el orden de los defectos y mejorar la recuperación de la red.
- La resistencia a la radiación observada se atribuye al efecto sinérgico de los defectos inducidos por dopantes y los defectos inducidos por irradiación.
- Los efectos superficiales desempeñan un papel fundamental en los procesos de atenuación de defectos bajo irradiación.
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