Electronic energy levels of lithium gadolinium tetraphosphate (LiGdP4O12) |
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| Authors: | D. Petrov B. Angelov |
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| Affiliation: | 1. Department of Physical Chemistry, Plovdiv University, 24, Tsar Asen Street, 4000 Plovdiv, Bulgaria;2. Department of Inorganic and Physical Chemistry, University of Food Technologies, 26, Maritsa Boulevard, 4002 Plovdiv, Bulgaria |
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| Abstract: | The positions of 15 electronic energy levels above the ground level 8S7/2 of Gd3+ in flux-grown single crystals of LiGdP4O12 have been determined from 4f–4f transitions observed in absorption spectra in the range 190–340 nm at T = 293 K. The experimental energy levels have been compared with theoretical ones obtained by two parameters, F2 = 392 cm−1 and ζ4f = 1525 cm−1, in the intermediate coupling approximation. |
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| Keywords: | Lithium gadolinium tetraphosphate Single crystal Absorption spectra Electronic energy levels |
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