Abstract
Optical absorption and luminescence spectra of stoichiometric rhombohedral rare-earth oxyfluorides, REOF, were measured in the temperature range 9–300 K. The energy-level schemes of REOF (RE = Nd3+[1], Sm3+[2], Eu3+[3], and Dy3+[1]) were simulated by using the phenomenological free-ion and crystal-field (c.f.) model. The model introduces one-, two-, and three-body interactions as well as the spin-orbit coupling and c.f. interactions using 14 free-ion and 6 c.f. parameters which are refined simultaneously.† The simulations reproduced the experimental energy-level schemes with satisfactory deviations between 8 and 16 cm-1.
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References
Kestilä, E. and Hölsä, J., Unpub. data (1995).
Kestilä, E., Porcher, P., Strek, W., and Hölsä, J., 8th Nat. Symp. Inorg. Anal. Chem., Turku, Finland, 1994, Book of Abstracts, p. 37.
Hölsä, J. and Kestilä, E., J. Chem. Soc. Faraday Trans., 91 (1995) 1503.
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Kestilä, E. (1997). The Simulation of Energy-Level Schemes of Selected Rare Earth Oxyfluorides. In: Di Bartolo, B., Kyrkos, S. (eds) Spectroscopy and Dynamics of Collective Excitations in Solids. NATO ASI Series, vol 356. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-5835-4_36
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DOI: https://doi.org/10.1007/978-1-4615-5835-4_36
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