Chemical shifts of KX-ray absorption edges on copper in different compounds by X-ray absorption spectroscopy (XAS) with Synchrotron radiation

D Joseph, S Basu, SN Jha, D Bhattacharyya - Nuclear Instruments and …, 2012 - Elsevier
Cu K X-ray absorption edges were measured in compounds such as CuO, Cu (CH3CO2) 2,
Cu (CO3) 2, and CuSO4 where Cu is present in oxidation state of 2+, using the energy
dispersive EXAFS beamline at INDUS-2 Synchrotron radiation source at RRCAT, Indore.
Energy shifts of∼ 4–7eV were observed for Cu K X-ray absorption edge in the above
compounds compared to its value in elemental copper. The difference in the Cu K edge
energy shifts in the different compounds having same oxidation state of Cu shows the effect …
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