The Spectral Investigation of the Luminescence Centers with the Generalized Method of Alentsev
For crystals containing several kinds of centers with luminescent spectra having several overlapped bands, a method is given to find the shape and intensity of each component. The spectra are measured under different conditions in such a way that the contribution of each component is different in each case but the shape is constant. The method was applied to “undoped” self-activated ZnS crystals. The comparison of these bands with the ZnO band’s shows that many are connected with the incorporation of oxygen. So e.g. the cathodoluminescent spectra excited by electrons with different energies show a different oxygen concentration of the surface and of inner parts (confirmed by successive chemical etching of the surface layer).
KeywordsLuminescence Spectrum Exciting Electron Luminescence Center Spectral Investigation Cathodoluminescent Spectrum
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