Molecular dynamics simulations are performed to study the diffusion behavior of low-energy hydrogen atoms in bcc tungsten(001).The simulation results show that when the energy of vertically incident hydrogen atoms is in a range of 0–20.0 eV,their retention probability increases rapidly;in the whole incident energy range 0.5–50.0 eV,the reflection probability gradually drops,but still exceeds 60%.By varying the incident angle,the retention probability may increase in some energy ranges compared with those in...
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