Two-photon spectra of single-crystal gadolinium diglycolate

Kundu, Tapanendu ; Banerjee, Asok K. ; Chowdhury, Mihir (1990) Two-photon spectra of single-crystal gadolinium diglycolate Physical Review B, 41 (16). pp. 10911-10922. ISSN 0163-1829

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Studies on parity-allowed two-photon transitions within the fn configuration of Gd3+ ion in a trigonal crystal, gadolinium diglycolate, are presented. The assignment of components of each J manifold is supported by a 13-parameter energy-level calculation. The relative two-photon integrated intensities for J manifolds, as well as relative line strengths for its Stark components, are calculated by second- and third-order perturbation theory, including spin-orbit interaction within intermediate fnd configurations. Although many of the spectral features are explained by comparison of observed and calculated values, certain gross anomalies, inherent in the crystal-field model, still remain. The exercise points out the need to develop a workable theory for two-photon intensities taking into account the important role played by ligands.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:8096
Deposited On:25 Oct 2010 11:49
Last Modified:03 Feb 2011 09:35

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