Excitation spectra of near-infrared photoluminescence from Np(VI) in Cs2U(Np)O2Cl4

M. P. Wilkerson; J. M. Berg

doi:10.1524/ract.2009.1599

Published by De Gruyter (O) September 25, 2009

Excitation spectra of near-infrared photoluminescence from Np(VI) in Cs₂U(Np)O₂Cl₄

M. P. Wilkerson and J. M. Berg

From the journal Radiochimica Acta

https://doi.org/10.1524/ract.2009.1599

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Abstract

Excitation spectra between 13200 and 21275 cm^-1 at 75 K are reported for single crystals of Cs₂U(Np)O₂Cl₄. These excitation spectra are collected from an infra-5f near-infrared luminescence origin of the neptunyl ion, and the energies and intensities of the spectral transitions are consistent with 4.2 K plane-polarized absorption spectra reported by Denning.

Keywords: Actinides; Luminescence; Near-infrared; Neptunium; Neptunyl

^* Correspondence address: Los Alamos National Laboratory, Chemistry Division, 87545 Los Alamons, U.S.A.

Published Online: 2009-9-25

Published in Print: 2009-5-1

Excitation spectra of near-infrared photoluminescence from Np(VI) in Cs₂U(Np)O₂Cl₄

Abstract

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