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Figure 3
Comparison of Co K-edge XANES of CoAl2O4 and C4H6CoO4 representing Co2+ ions in tetrahedral and octahedral coordination, respectively. There is a small pre-edge peak, due to the 1s to 3d electronic transition which is typical for tetrahedrally coordinated Co2+ ions. The XANES spectrum of octahedrally coordinated Co2+ ions shows strong white line intensity, while the pre-edge peak is absent.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 21| Part 4| May 2014| Pages 744-750
doi:10.1107/S1600577514008108
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