Visible light absorption of (Fe, C/N) co-doped NaTaO3: DFT+U
Tian Peng-Li1, Jiang Zhen-Yi1, †, Zhang Xiao-Dong1, 2, ‡, Zhou Bo1, Dong Ya-Ru1, Liu Rui3
       

(color online) Supercell structure for orthorhombic NaTaO . The blue, green, and yellow spheres represent Ta, O, and Na atoms, respectively. The lattice sites of the dopant are marked by Ta and O.