Electronic structures and optical properties of Si- and Sn-doped β-Ga2O3: A GGA+U study Project supported by the Science and Technology Program of Guangdong Province, China (Grant No. 2015B010112002) and the Science and Technology Project of Guangzhou City, China (Grant No. 201607010250). |
(a) The 1 × 2 × 2 supercell of β-Ga2O3 and (b) the projection along the y-axis direction. |