Abstract
Enhancement effect in electroluminescent emission from ZnS∶Cu, Cl and ZnS∶Cu, Mn, Cl luminophors under the concurrent action of sinusoidal electric field and x-radiation has been investigated. Variation of the enhancement ratioR=B E+R/BE+BR whereB E+R =Light output when both electric field and x-radiation are operative;B E=Electroluminescent output;B R=Photoluminescent output with frequency and voltage of the applied A.C. field and with x-ray intensity has been studied. A non-linear behaviour of the enhancement with voltage and x-ray intensity has been found, which is similar to that observed in the case of ultraviolet stimulated electroluminescent emission.
R max in both the species studied, is always found to be less than 4/3 in each case.
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The authors are grateful to the Council of Scientific and Industrial Research, New Delhi for financial assistance.
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Singh, V.B., Mohan, H. X-Ray induced enhancement effect in electroluminescent zinc sulphides. Z. Physik 218, 129–136 (1969). https://doi.org/10.1007/BF01669334
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DOI: https://doi.org/10.1007/BF01669334