Spectroscopic properties and structure of the ErFe3(BO3)4 single crystal |
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Authors: | A. V. Malakhovskii V. V. Sokolov A. L. Sukhachev A. S. Aleksandrovsky I. A. Gudim M. S. Molokeev |
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Affiliation: | 1. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50-38, Krasnoyarsk, 660036, Russia 2. Siberian Federal University, pr. Svobodnyi 79, Krasnoyarsk, 660041, Russia
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Abstract: | Single crystals of the ErFe3(BO3)4 borate were synthesized and their structure was studied. Absorption spectra of the Er3+ ion in σ- and π-polarizations of f-f transitions 4 I 15/2 → 4 I 13/2, 4 I 11/2, 4 I 9/2, 4 F 9/2, 4 S 3/2, 2 H 11/2, and 4 F 7/2 were measured. The refractive index and birefringence were measured as a function of the wavelength. The transition intensities were analyzed within the Judd-Ofelt theory, and the following parameters of the theory were obtained: Ω2 = 7.056 × 10?20 cm2, Ω4 = 1.886 × 10?20 cm2, and Ω6 = 2.238 × 10?20 cm2. Using these parameters, the radiative transition probabilities, luminescence branching ratios, and radiative lifetimes of multiplets were calculated. |
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