CdZnSSe crystals synthesized in silicate glass: Structure, cathodoluminescence, band gap, discovery in historical glass, and possible applications in contemporary technology
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CitationYuryeva, Tatyana V. Malykhin, Sergey A. Kudryavtsev, Andrey A. Afanasyev, Ilya B. Kadikova, Irina F. Yuryev, Vladimir A. (2020). CdZnSSe crystals synthesized in silicate glass: Structure, cathodoluminescence, band gap, discovery in historical glass, and possible applications in contemporary technology. Materials research bulletin, 123, 110704. 10.1016/j.materresbull.2019.110704.
The article presents investigations of CdZnSSe crystals synthesized in silicate glass melt. Zn-rich glass manufactured in the 19th century has been found to contain CdZnSSe crystals of hexagonal crystal system exhibiting intense band-edge cathodoluminescence. The exciton luminescence peak of these crystals ranges 2.00–2.03 eV at 300 K and 2.02–2.06 eV at 80 K. Its shifts in individual crystals are attributed to minor variations of their composition. The value of the band gap derivative dEg/dT lies in the range from −2.5 × 10−4 to 0 eV/K in the interval from 80 to 300 K. CdZnSSe crystals in glass demonstrate high temperature and temporal stability. The glass-crystal composite on their basis is resistant to the electron-beam irradiation and long-term weathering. Possible applications of this composite in modern technologies, and processes and components that might be used for making glass stained with CdZnSSe in the past are also discussed.