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Figure 4
Co K-edge EREY–XANES for CoAlPO-34 A, CoAlPO-34 B and CoAlPO-18. The spectrum from the bulk is plotted in dashed red, whereas that from the near-surface is a solid black line. Transmission Co K-edge XANES of all catalysts are shown in the bottom right-hand corner. The XANES near-surface and bulk spectra exhibit a small pre-edge peak which is a characteristic of tetrahedrally coordinated Co2+ ions.

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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