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Title

The Jahn-Teller system Ag2+ : NaF, an electron paramagnetic resonance and optical absorption study

Authors
Gerber, A.
Published in Journal of Chemical Physics. 1991, vol. 94, no. 9, p. 5891-5896
Abstract The ion Ag2+ introduced into NaF shows a tetragonal electron paramagnetic resonance spectrum at 4.2 K which dynamically averages above 40 K. Uniaxial stress is used to show that the ground state is a strongly coupled E Jahn–Teller state. The well-resolved superhyperfine structure due to the F− neighbors is analyzed with a linear combination of atomic orbitals picture. Optical absorption of as-grown and treated crystals is further presented. The former ones show peaks at 202, 213, 219 nm due to Ag+. The latter ones present complex absorption spectra related to silver.
Keywords Jahn-teller effectSilver additionsSodium fluoridesElectron spin resonanceAbsorption spectraHyperfine structureUltralow temperatureImpurity spectraSilver ions
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Research group Groupe Bill
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MONNIER, Alain, GERBER, A., BILL, Hans. The Jahn-Teller system Ag2+ : NaF, an electron paramagnetic resonance and optical absorption study. In: Journal of Chemical Physics, 1991, vol. 94, n° 9, p. 5891-5896. https://archive-ouverte.unige.ch/unige:3044

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Deposited on : 2009-09-21

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