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Pis'ma v Zh. Èksper. Teoret. Fiz., 2013, Volume 98, Issue 12, Pages 957–961 (Mi jetpl3622)  

This article is cited in 1 scientific paper (total in 1 paper)

MISCELLANEOUS

Sputtering of metals at ion-electron irradiation

Yu. V. Martynenko, S. N. Korshunov, I. D. Skorlupkin

National Research Centre "Kurchatov Institute"

Abstract: It has been found that, in contrast to the commonly accepted opinion, simultaneous irradiation by $15$-keV Ar$^+$ ions and $2.5$-keV electrons at temperatures above $0.5T_m$ ($T_m$ is the melting temperature) induces much larger sputtering of metallic copper, nickel, and steel than irradiation only by Ar$^+$ ions. The effect increases with the temperature. At $T= 0.7T_m$, the sputtering coefficients in the case of ion-electron irradiation are more than twice as large as the sputtering coefficients in the case of irradiation by Ar$^+$ ions. The experiments on the sublimation of copper show that the sublimation rate in the case of the heating of a sample by an electron beam is higher than that in the case of heating in an electric vacuum oven. The revealed effects are explained by the electron-induced excitation of adatoms (atoms stuck over the surface, which appear owing to ion bombardment). Excited adatoms have a smaller binding energy with the surface and are sputtered more easily.

DOI: https://doi.org/10.7868/S0370274X13240193

Full text: PDF file (314 kB)
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English version:
Journal of Experimental and Theoretical Physics Letters, 2013, 98:12, 853–857

Bibliographic databases:

Received: 01.11.2013

Citation: Yu. V. Martynenko, S. N. Korshunov, I. D. Skorlupkin, “Sputtering of metals at ion-electron irradiation”, Pis'ma v Zh. Èksper. Teoret. Fiz., 98:12 (2013), 957–961; JETP Letters, 98:12 (2013), 853–857

Citation in format AMSBIB
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\by Yu.~V.~Martynenko, S.~N.~Korshunov, I.~D.~Skorlupkin
\paper Sputtering of metals at ion-electron irradiation
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2013
\vol 98
\issue 12
\pages 957--961
\mathnet{http://mi.mathnet.ru/jetpl3622}
\crossref{https://doi.org/10.7868/S0370274X13240193}
\elib{http://elibrary.ru/item.asp?id=21197195}
\transl
\jour JETP Letters
\yr 2013
\vol 98
\issue 12
\pages 853--857
\crossref{https://doi.org/10.1134/S0021364013250164}
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\elib{http://elibrary.ru/item.asp?id=21865994}
\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84894364744}


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    This publication is cited in the following articles:
    1. S. N. Korshunov, Yu. V. Martynenko, N. E. Belova, I. D. Skorlupkin, J. Surf. Ingestig., 11:4 (2017), 807–813  crossref  isi  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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