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Updated: May 13, 2025

Elemental-sensitive Detection of the Chemistry in Batteries through Soft X-ray Absorption Spectroscopy and Resonant Inelastic X-ray Scattering
Published on: April 17, 2018
High energy-resolution soft X-ray emission spectrometer using a back-thinned CMOS detector for chemical bonding state
Shogo Koshiya1, Takanori Murano1, Masami Terauchi2
1SA Research and Development Department, SA Business Unit, JEOL Ltd., 3-1-2 Musashino, Akishima, Tokyo 196-8558, Japan.
None:
Improvement of a commercially available soft X-ray emission spectrometer was tested by introducing a fine-pixel-sized CMOS detector. The peak width of Mg Kα-emission was reduced to one-fourth of that obtained by the CCD detector presently used. Furthermore, the differences in the energy positions of satellite lines of Mg Kα- and also Kβ-emission profiles of Mg and MgO were observed. O K-emission profile of MgO exhibited a few structures reflecting the chemical bonding state. This spectrometer easily discriminated the intensity profiles of Fe Lα,β-emission reflecting the chemical bonding states of Fe atoms in Fe, FeO, Fe3O4 and Fe2O3.
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