Diffusion behavior of hydrogen isotopes in tungsten revisited by molecular dynamics simulations<xref rid="cpb_27_7_073103_fn1" ref-type="fn">*</xref> <fn id="cpb_27_7_073103_fn1"> <label>*</label> <p>Project supported by the National Magnetic Confinement Fusion Program of China (Grant No. 2013GB109002).</p> </fn>

Diffusion behavior of hydrogen isotopes in tungsten revisited by molecular dynamics simulations* *

Project supported by the National Magnetic Confinement Fusion Program of China (Grant No. 2013GB109002).

Qiu Mingjie, Zhai Lei, Cui Jiechao, Fu Baoqin, Li Min, Hou Qing^†

(color online) Evolution of the potential barrier for H-atom movement in the near-surface region until escaping from the surface: (a) for W{100} and (b) for W{111} surfaces. The potential energy of the in-bulk tetrahedral interstitial state is taken as zero.