Citation: Souilah, M.; Lafond, A.; Guillot-Deudon, C.; Harel, S.; Evain, M. (2010). Structural investigation of the Cu2Se--In2Se3--Ga2Se3 phase diagram, X-ray photoemission and optical properties of the Cu1−z(In0.5Ga0.5)1+z/3Se2 compounds. Journal of Solid State Chemistry, 183, pp. 2274-2280.