Consideration on the Correlation between Basicity of Oxide Glasses and O1s Chemical Shift in XPS

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  • NANBA Tokuro
    Department of Environmental Chemistry and Materials, Okayama University
  • MIURA Yoshinari
    Department of Environmental Chemistry and Materials, Okayama University
  • SAKIDA Shinichi
    Health and Environmental Center, Okayama University

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  • 酸化物ガラスの塩基度と XPS による O1s 化学シフトの相関に関する考察

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O1s binding energy measured by X-ray photoelectron spectroscopy (XPS) is candidate as a new tool to determine a new scale of Lewis basicity of oxide ions in glass. Some mathematical expressions for the basicity or XPS chemical shift, such as charge parameter and optical basicity, were compared with the experimental O1s binding energy in binary alkali oxide glasses. The expressions so far in use needed some modification in parameters. A new empirical expression introduced in this paper gives a new concept and universal scale of basicity.<br>

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