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Sharp vibronic spectra of Cu(II) doped Cs2ZrCl6
journal contribution
posted on 2023-05-16, 11:15 authored by Masters, VM, Riley, MJ, Hitchman, MAThe low temperature electronic spectrum of Cu(II) doped Cs2ZrCl6 is reported. It is found that Cu(II) is incorporated as the square planar copper tetrachloride ion, CuCl4 2-, which substitutes at the Zr(IV) site in the Cs2ZrCl6 lattice. There is a complete absence of axial coordination. The optical spectrum shows vibronic structure with peak widths as small as 8 cm-1, far narrower than previously seen for this ion. The energy of the observed transitions and the Franck-Condon intensity pattern suggest that there is a substantial relaxation of the host lattice about the impurity ion. The relative intensity of the magnetic dipole component of the bands appears to be considerably greater than for pure copper(II) compounds containing the CuCl4 2- ion.
History
Publication title
Chemical Physics LettersVolume
288Issue
5-6Pagination
743-749ISSN
0009-2614Department/School
School of Natural SciencesPublisher
ElsevierPlace of publication
The NetherlandsRepository Status
- Restricted