Abstract
It was established that the cathodoluminescence centers of the most widely employed activators in ZnS, copper and silver, are localized in the regions of the solid solutions of the system ZnS-ZnO, in which the luminescence of the impurity-free ZnS is observed. It was determined by Alentsev's method that both ZnS-Cu and ZnS-Ag have blue bands which are common to the luminescence bands of the solid solution ZnS-xZnO. The luminescence band of the solid solution ZnS-xZnO belonged to the luminophor obtained by annealing ZnO in moistened hydrogen sulfide at 900 degrees C. Oxygen was present in the luminescence and absorption centers of ZnS activated both by rare-earth activators and by copper and silver. This turned out to be energetically favorable since the centers associated with oxygen were additionally excited by centers responsible for the edge luminescence of ZnS-ZnO.
Published Version
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