A multiscale in situ high temperature high resolution transmission electron microscopy study of ThO2 sintering

Renaud Podor (1) , V. Trillaud (2) , G. Nkou Bouala (2) , Nicolas Dacheux (2) , C. Ricolleau (3) , Nicolas Clavier (2)

1 L2ME - Etude de la Matière en Mode Environnemental
2 LIME - Interfaces de Matériaux en Evolution
3 MPQ (UMR_7162) - Laboratoire Matériaux et Phénomènes Quantiques

Two-grain systems formed by ThO 2 nanospheres are used to study the initial stage of sintering up to 1050 °C using HT-HRTEM. The low temperature crystallite rearrangements as well as grain boundary formation and growth are observed.

Domaines: Chimie

Renaud Podor, V. Trillaud, G. Nkou Bouala, Nicolas Dacheux, C. Ricolleau, et al.. A multiscale in situ high temperature high resolution transmission electron microscopy study of ThO2 sintering. Nanoscale, 2021, 13 (15), pp.7362-7374. ⟨10.1039/D1NR00956G⟩. ⟨hal-03337033⟩