Journal
CHEMICAL PHYSICS LETTERS
Volume 504, Issue 4-6, Pages 193-198Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2011.01.077
Keywords
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Funding
- MEXT in Japan
- Promotion and Mutual Aid Corporation for Private Schools of Japan
- Grants-in-Aid for Scientific Research [23550031] Funding Source: KAKEN
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The oscillator strengths of the f-f hypersensitive transitions of lanthanide tribromides (LnBr(3); Ln = Pr through Tm except for Gd) were calculated by the multi-reference spin-orbit configuration interaction method. To examine previously proposed mechanisms, the Judd-Ofelt intensity parameters tau(2) based on the dynamic-coupling model were evaluated and compared with those by the CI calculations. The calculated intensity parameters had a similar magnitude, implying that the dynamic-coupling model has a dominant contribution to the intensities. The difference between the two parameters is discussed in terms of the effects of polarization shielding and ligand-to-metal charge transfer. (C) 2011 Elsevier B.V. All rights reserved.
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