A diffusion model for solute atoms diffusing and aggregating in nuclear structural materials

Song Quan^{1, 2}, Meng Fan-Xin³, Ning Bo-Yuan⁴, Zhuang Jun⁴, Ning Xi-Jing^{1, 2, †}

(color online) Plots of diameters of He bubbles formed at 200 K and 225 K versus aging time t with a diffusion barrier of 0.8 eV for (a) and (b) 0.5 nm.