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Calculations of XPS spectra for oxyanions and related compounds by the discrete variational-Xα method

✍ Scribed by Teikichi Sasaki; Hirohiko Adachi


Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
335 KB
Volume
18
Category
Article
ISSN
0020-7608

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✦ Synopsis


Abstract

Calculations of molecular‐orbital energies and x‐ray photoelectron spectra have been carried out for the third‐row oxyanions, transition‐metal oxyanions, SiO~2~ and TiO~2~, by the discrete variational‐X__α cluster method. The calculated orbital energies are consistent with those determined from the XPS experiments. Theoretical XPS line shapes with Gaussian are generally in good agreement with the observed spectra. However, underestimation has been found for the photopeak intensities in the low‐binding‐energy region of TiO~2~. The discrepancy is partially attributed to the use of inaccurate photoionization cross‐section for the Ti3__d orbital.


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