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Long-Wavelength Oscillations of the Intensity of Diffraction Reflections of High-Energy Electrons from a Growing Heteroepitaxial Film due to the Quantum Size Effect with Absorption Taken into Account

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Abstract

An analytical expression is proposed and a graphic illustration is presented for the quantum size effect, arising as a result of the reflection of an electron beam from a growing heteroepitaxial single crystal, with electron absorption taken into account. The intensity curves of the reflected beam are calculated for various values of parameters. Short-wavelength oscillations of the intensity of the electron beam reflected from the film surface are shown to be modulated by long-wavelength vibrations. They occur due to the quantum size effect in the growing film. The total intensity decays exponentially as the layer grows. The obtained theoretical curves are compared with experimental data.

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Funding

This work was supported by the Ministry of Science and Higher Education of the Russian Federation in the framework of the Governmental task to the Federal Scientific Research Center “Crystallography and Photonics” of the Russian Academy of Sciences.

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Authors and Affiliations

  1. Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics”, Russian Academy of Sciences, 119333, Moscow, Russia

    S. M. Shkornyakov

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  1. S. M. Shkornyakov
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Correspondence to S. M. Shkornyakov.

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Translated by E. Smirnova

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Shkornyakov, S.M. Long-Wavelength Oscillations of the Intensity of Diffraction Reflections of High-Energy Electrons from a Growing Heteroepitaxial Film due to the Quantum Size Effect with Absorption Taken into Account. J. Surf. Investig. 14, 507–512 (2020). https://doi.org/10.1134/S1027451020030167

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  • DOI: https://doi.org/10.1134/S1027451020030167

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