First-principles investigation of electronic structure, effective carrier masses, and optical properties of ferromagnetic semiconductor CdCr<sub>2</sub>S<sub>4</sub>

First-principles investigation of electronic structure, effective carrier masses, and optical properties of ferromagnetic semiconductor CdCr₂S₄

Zhu Xu-Hui^{1, 2}, Chen Xiang-Rong^{1, 3, †,}, Liu Bang-Gui^{2, ‡,}

The optical absorption coefficient α(ω) (a) and conductivity σ(ω) (b) as a function of photon energy for CdCr₂S₄.