Spectra of Praseodymium in Yttrium Gallium Garnet and in Yttrium Aluminum Garnet
- 15 December 1966
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 45 (12), 4504-4509
- https://doi.org/10.1063/1.1727530
Abstract
The absorption and fluorescence spectra of Pr3+ in YGaG and in YAlG were measured at temperatures between 16°K and room temperature. Crystal-field calculations, using a cubic field with A40=−350 cm−1 and A60=90 cm−1, gave a reasonable fit with the experimentally found energy levels. Some manifolds overlap due to the large crystal-field splitting. The centers of gravity found by fitting the calculated manifolds to the experimental data are close to and well in line with the centers for Pr3+ in LaCl3 and LaBr3.Keywords
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