Stability of concentration-related self-interstitial atoms in fusion material tungsten

Zhang Hong¹, Wen Shu-Long¹, Pan Min^{1, 3, †,}, Huang Zheng^{1, ‡,}, Zhao Yong¹, Liu Xiang², Chen Ji-Ming²

The potential energy U_pot as a function of the distance of SIAs and mono-vacancy (direction coordinate) in different migrating pathways; the mono-vacancy is assumed to go towards SIAs along these pathways. (a) M1, M2, M3, M4 and (b) L1, L2, L3.