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Influence of milling of electroluminescent powders ZnS-Cu on their integral and spectral intensity of radiation

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Czechoslovak Journal of Physics B Aims and scope

Abstract

Milling of electroluminescent ZnS-Cu powders causes changes in their structure. In its consequence centers of lumincescence are destroyed, the integral intensity of electroluminescent, photoluminescent and roentgenoluminescent radiation decreases and the spectral intensity of luminescent radiation changes, too. On this basis the location of centres of luminescence and forming of glow-complexes in ZnS-Cu crystallites are discussed. The results show that the emission of ZnS-Cu powders is probably due to two glow-complexes. The centers of luminescence of one of them are located near the borders of coherent domains while the centers of the other glow-complex are inside coherent domains of the luminescent powder.

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Authors and Affiliations

  1. Faculty of Natural Sciences, Palacký University, Olomouc

    L. Dvořák & Z. Kupka

  2. Faculty of Mechanical Engineering, VŠST, Liberec

    L. Sodomka

Authors
  1. L. Dvořák
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  2. Z. Kupka
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  3. L. Sodomka
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Additional information

Leninova 26, Olomouc, Czechoslovakia.

Hálkova 6, Liberec, Czechoslovakia.

The authors thank Prof. dr. J. Fuka for his attention and help with the investigation of the problem.

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Dvořák, L., Kupka, Z. & Sodomka, L. Influence of milling of electroluminescent powders ZnS-Cu on their integral and spectral intensity of radiation. Czech J Phys 22, 589–598 (1972). https://doi.org/10.1007/BF01690971

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  • DOI: https://doi.org/10.1007/BF01690971

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