Energetics of carbon and nitrogen impurities and their interactions with vacancy in vanadium
Hua Juan1, 2, Liu Yue-Lin2, Li Heng-Shuai1, 3, Zhao Ming-Wen1, Liu Xiang-Dong1, †,
       

Seven possible configurations for two impurities in bcc vanadium. A1 is one O-site occupied by the first impurity. The second impurity atom will be located at different O-sites labeled by i (i = 1, 2, …, 7).