Nucleation and growth of helium bubble at (110) twist grain boundaries in tungsten studied by molecular dynamics
Li Fang-Biao1, Ran Guang1, †, Gao Ning2, 3, ‡, Zhao Shang-Quan1, Li Ning1
       

Displacements of W atoms in the GB plane where He bubbles are located. Arrows represent direction of displacement. Atoms are colored according to magnitude of displacement as indicated by color bar. View is along [110] direction.