Luminescence of the excitons and the role of anti‐site defects, as well as the peculiarities of energy transfer to the Ce3+ activator ions were investigated in Lu3Al5O12:Ce compound. The measurements of time–resolved emission spectra and decay kinetics at 9 K and 300 K under the excitation by synchrotron radiation were used. The characteristics of single crystals and single crystalline films of Lu3Al5O12:Ce were compared and differences explained in the light of substantially different concentrations of the anti‐site defects in the same material prepared by different technologies. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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Zorenko et al. (2005) studied this question.
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