Optical properties of anatase and rutile TiO<sub>2</sub> studied by GGA+<em>U</em>

Optical properties of anatase and rutile TiO₂ studied by GGA+U

Li Jinping^{¹, ³, †}, Meng Songhe^¹, Qin Liyuan^¹, Lu Hantao^²

(color online) Calculated band gap of r-TiO as a function of (a) and (b) .