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L X-Ray Line Shape of Copper(II) Compounds and their Covalency

Published online by Cambridge University Press:  06 March 2019

Jun Kawai ,
Katsumi Nakajima ,
Kuniko Maeda  and
Yohichi Gohshi
Jun Kawai
Affiliation:
RIKEN (The Institute of Physical and Chemical Research) Wako, Saitama, 351-01, Japan
Katsumi Nakajima
Affiliation:
Department of Industrial Chemistry, . University of Tokyo Hongo, Bunkyo-ku, Tokyo 113, Japan
Kuniko Maeda
Affiliation:
RIKEN (The Institute of Physical and Chemical Research) Wako, Saitama, 351-01, Japan
Yohichi Gohshi
Affiliation:
Department of Industrial Chemistry, . University of Tokyo Hongo, Bunkyo-ku, Tokyo 113, Japan
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Abstract

Profile changes of copper Lα (L3-V) and Lβ (L2-V) X-ray fluorescence spectra are interpreted. It is shown that the intensity of the high energy shoulder of the Cu L X-ray spectra has a relation to the intensity of the so-called ‘shake-up’ satellite in 2p X-ray photoelectron spectra; the high energy shoulder of the divalent copper La is weak for covalent compounds and strong for ionic compounds. It is also shown that the Lβ/Lα intensity ratio changes with the change of copper concentration of the analyte as well as the change of chemical state of the analyte.

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