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Analytical and numerical approaches to calculating the escape function for the emission of medium-energy electrons from uniform specimens

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Abstract

A program for the simulation of electron transport by the Monte Carlo method has been developed. This program implies the model of single scattering and dielectric approach (to calculate the characteristics of an inelastic interaction). The escape functions for aluminum, germanium, and gold in the 0.012–20 keV energy range were calculated. The characteristic lengths determining the electron dynamics (the elastic and inelastic mean free paths, isotropization length, and integral path) were calculated using the differential cross sections for both elastic and inelastic interactions for these elements. The analysis of the relations between the characteristic lengths made it possible to determine the applicability range of the analytical expressions for the emission functions obtained in [1]. The comparison of the results obtained analytically and numerically confirmed the conclusion of [1] about the form of the analytical approximation of the emission function for electrons of various energies and showed the validity of the obtained analytical expressions for the escape lengths of electrons.

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Authors and Affiliations

  1. Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia

    L. A. Bakaleinikov, E. Yu. Flegontova & K. Yu. Pogrebitskii

  2. Korea Research Institute of Standards and Science, Taejon, Republic of Korea

    Hwack-Joo Lee, Yang-Koo Cho, Hyun-Min Park & Yong-Won Song

Authors
  1. L. A. Bakaleinikov
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  2. E. Yu. Flegontova
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  3. K. Yu. Pogrebitskii
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  4. Hwack-Joo Lee
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  5. Yang-Koo Cho
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  6. Hyun-Min Park
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  7. Yong-Won Song
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__________

Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 71, No. 7, 2001, pp. 14–20.

Original Russian Text Copyright © 2001 by Bakale\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\)nikov, Flegontova, Pogrebitski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\), Lee, Cho, Park, Song.

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Bakaleinikov, L.A., Flegontova, E.Y., Pogrebitskii, K.Y. et al. Analytical and numerical approaches to calculating the escape function for the emission of medium-energy electrons from uniform specimens. Tech. Phys. 46, 796–805 (2001). https://doi.org/10.1134/1.1387534

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  • DOI: https://doi.org/10.1134/1.1387534

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