Influence of the presence of a fluxing agent and its composition on the spectral characteristics of ZnS(Cu) obtained by self-propagating high-temperature synthesis Journal title: Semiconductor Physics, Quantum Electronics and Optoelectronics Authors: Yu. Yu. Bacherikov, O. B. Okhrimenko, A. G. Zhuk, R. V. Kurichka, A. V. Gilchuk Subject(s):