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Optical spectroscopy of the Ag+ ion in NaF: Experimental results and analysis of manifestations of the Jahn-Teller effect |
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Published in | Journal of Chemical Physics. 1998, vol. 109, no. 17, p. 7328-7337 | |
Abstract | The 4d10→4d95s1 transitions of the Ag+ ion in single crystals of NaF were investigated by one- and two-photon spectroscopy and luminescence experiments. The one-photon absorption spectrum extends from 238 to below 180 nm. At low temperature, several bands show resolved fine structure, but compared to NaF:Cu+, there is much less, and the lines are broader. The Jahn–Teller effect is much larger in Ag+ than in Cu+ and has been identified in three of the excited states. Trapping in Jahn–Teller minima is shown to change the emission kinetics radically compared to Cu+. The off-center force from the d9p states has much less effect on Ag+ than on Cu+. All of the evidence shows that Ag+ is more strongly coupled to the lattice than is Cu+. | |
Keywords | Sodium compounds — Silver — Photoluminescence — Two-photon spectra — Impurity absorption spectra — Ultraviolet spectra — Jahn-Teller effect | |
Identifiers | DOI: 10.1063/1.477362 | |
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Research group | Groupe Bill | |
Citation (ISO format) | BILL, Hans et al. Optical spectroscopy of the Ag+ ion in NaF: Experimental results and analysis of manifestations of the Jahn-Teller effect. In: Journal of Chemical Physics, 1998, vol. 109, n° 17, p. 7328-7337. doi: 10.1063/1.477362 https://archive-ouverte.unige.ch/unige:2948 |