Effect of microstructure on 3He migration in TiT1.9 films
Wang Haifeng, Peng Shuming, Ding Wei, Shen Huahai, Wang Weidu, Zhou Xiaosong, Long Xinggui
       

Cross-sections of the two kinds of films before tritiation. (a) Columnar grain structure of sample C. (b) Equiaxed grain structure of sample E.