UV-VUV synchrotron radiation spectroscopy of NiWO4

Photoluminescence and excitation spectra of microcrystalline and nanocrystalline nickel tungstate (NiWO4) were measured using UV-VUV synchrotron radiation source. The origin of the bands is interpreted using comparative analysis with isostructural ZnWO4 tungstate and based on the results of recent f...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2016-07, Vol.42 (7), p.543-546
Main Authors: Kuzmin, A., Pankratov, V., Kalinko, A., Kotlov, A., Shirmane, L., Popov, A. I.
Format: Article
Language:English
Subjects:
Atomic structure
Excitation spectra
First principles
Nickel compounds
Photoluminescence
Spectrum analysis
Synchrotron radiation
Tungstates
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Summary:Photoluminescence and excitation spectra of microcrystalline and nanocrystalline nickel tungstate (NiWO4) were measured using UV-VUV synchrotron radiation source. The origin of the bands is interpreted using comparative analysis with isostructural ZnWO4 tungstate and based on the results of recent first-principles band structure calculations. The influence of the local atomic structure relaxation and of Ni2+ intra-ion d–d transitions on the photoluminescence band intensity are discussed.
ISSN:1063-777X
1090-6517
DOI:10.1063/1.4959010