Relation between crystal structure and electroluminescence in ZnS-Mn crystals

The electroluminescence of ZnS-Mn crystals annealed in zinc melt is investigated. When an external field of 10³-10⁴ V/cm is applied, continuous radiation is emitted over the whole volume of the spcimen. The volt-brightness characteristics are approximated by various functions and depend on the conditions of excitation. The results obtained are explained by the concentration of the electric field at barrier formed by partial dislocations at the place where they cut the hexagonal layers.Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 33–37, September. 1985.