Influence of X-ray irradiation on the optical properties of chromium-doped KliSO4 crystals |
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| Authors: | Z. B. Perekalina K. A. Kaldybaev A. F. Konstantinova V. P. Orekhova A. D. Tynaev |
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| Affiliation: | (1) Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskii pr. 59, Moscow;(2) Issyk-Kul State University, Karakol, Kyrgizstan |
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| Abstract: | The absorption and circular-dichroism spectra of chromium-activated KLiSO4 crystals both nonirradiated and irradiated with an X-ray beam have been studied. It was established that in nonirradiated crystals chromium ions are mainly trivalent (Cr3+) and have octahedral coordination. In irradiated crystals, along with the centers provided by (Cr3+) ions, new centers are formed associated with (Cr4+) and (Cr5+) ions. |
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