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Dynamics of the Oxygen Adsorption Process on the Surface of Aluminum–Cerium Alloy in Polycrystalline and Amorphous States

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Abstract

Based on the concept of collective vibrations of ions in the bulk of metal systems, the frequency of vibrations of an oxygen molecule on the aluminum–cerium alloy surface has been evaluated. Numerical estimation of the physical adsorption isobar has been carried out in accordance with the Henry law using these data and the heats of oxygen adsorption on the surface of this alloy in amorphous and polycrystalline states obtained on the basis of optical experiment data. It has been shown that changes in the alloy’s electronic structure upon splitting of the conduction band for the amorphous state has a significant effect on the qualitative characteristics of the adsorption process.

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Funding

This work was carried out in the framework of state budget project no. AAAA-A19-119031890028-0 (structural unit 2) and with the partial support of project of the Ural Branch of the Russian Academy of Sciences no. 18-3-3-5.

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Authors and Affiliations

  1. Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, 620990, Yekaterinburg, Russia

    A. I. Kiselev, V. G. Shevchenko & A. V. Konyukova

Authors
  1. A. I. Kiselev
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  2. V. G. Shevchenko
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  3. A. V. Konyukova
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Corresponding author

Correspondence to V. G. Shevchenko.

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Translated by D. Marinin

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Kiselev, A.I., Shevchenko, V.G. & Konyukova, A.V. Dynamics of the Oxygen Adsorption Process on the Surface of Aluminum–Cerium Alloy in Polycrystalline and Amorphous States. Prot Met Phys Chem Surf 56, 252–255 (2020). https://doi.org/10.1134/S2070205120020136

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  • DOI: https://doi.org/10.1134/S2070205120020136

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