First-principles study of helium clustering at initial stage in ThO<sub>2</sub>

First-principles study of helium clustering at initial stage in ThO₂

Shao Kuan^{1, 3}, Han Han^{1, †}, Zhang Wei^{1, 2}, Wang Chang-Ying¹, Guo Yong-Liang¹, Ren Cui-Lan^{1, 2}, Huai Ping^{1, 2, ‡}

(color online) The initial configurations of (a) two and (b) four He atoms and their configurations after atomic relaxation. The gray, red, and blue spheres represent the thorium, oxygen, and helium atoms, respectively.