Vibronic splitting in3T1gacrystal-field level of CaO:Ni2+
- 5 February 1975
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 9 (4) , 611-626
- https://doi.org/10.1088/0022-3719/9/4/012
Abstract
The low-temperature optical absorption spectrum of the 3A2g to 3T1ga absorption of CaO:Ni2+ is reported. Zeeman studies of the sharp lines within the band show that they arise because of the splitting of the vibronic levels of Ni2+ associated with a localized resonance mode of Gamma 4u symmetry, a phenomenon not observed for any other 3dn system. The splittings due to the quadratic term in the electron-vibration interaction and the relative intensity of the vibronic features are calculated and compared with experiment.Keywords
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