Resonant charge transfer during ion scattering on metallic surfaces

Electron transfer during low-energy ion scattering (LEIS) is discussed in the article. In most cases, the final charge state of ions/atoms scattered from a metallic surface is formed due to resonant charge transfer (RCT). The key concepts, model representations, and basic laws of electronic exchange are systemized in the article. For practical usage, RCT is primarily important for surface diagnostics by LEIS, because incorrectly taking into account electronic exchange can lead to significant errors. It is noteworthy, that LEIS has the best surface sensitivity and is indispensable for diagnosing the composition of the upper surface layer.

Keywords: ion beams, scattering, metals, nanosystems, charge (electronic) exchange, resonant charge transfer, surface analysis
PACS: 02.70.−c, 34.35.+a, 73.20.At, 73.40.Gk, 73.63.−b, 79.20.Rf (all)
DOI: 10.3367/UFNe.2019.11.038691
URL: https://ufn.ru/en/articles/2020/9/c/
Web of Science

000597245700003
Scopus

2-s2.0-85098620294
ADS NASA

2020PhyU...63..888G
Citation: Gainullin I K "Resonant charge transfer during ion scattering on metallic surfaces" Phys. Usp. 63 888–906 (2020)

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Received: 21st, May 2019, revised: 5th, November 2019, accepted: 19th, November 2019

Оригинал: Гайнуллин И К «Резонансный электронный обмен при рассеянии ионов на металлических поверхностях» УФН 190 950–970 (2020); DOI: 10.3367/UFNr.2019.11.038691

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