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, †, 
Four possible sites for one C/N atom in the vicinity of one vacancy in vanadium. The larger red balls, the smaller gray balls, and the open square represent vanadium atoms, C/N atoms, and vacancy center, respectively.
