RADIATION-INDUCED SURFACE MIGRATION OF TUNGSTEN: CHANNELING ALONG ATOMIC STEPS

E. V. Sadanov, A. A. Mazilov, I. V. Starchenko, J. A. Gordienko, T. I. Mazilova and I. M. Mikhailovskij
Additional contact information
E. V. Sadanov: National Science Center “Kharkiv Institute of Physics and Technology†, Akademichna Street, 61108 Kharkiv, Kharkivs’ka Oblast, Ukraine
A. A. Mazilov: National Science Center “Kharkiv Institute of Physics and Technology†, Akademichna Street, 61108 Kharkiv, Kharkivs’ka Oblast, Ukraine
I. V. Starchenko: National Science Center “Kharkiv Institute of Physics and Technology†, Akademichna Street, 61108 Kharkiv, Kharkivs’ka Oblast, Ukraine
J. A. Gordienko: National Science Center “Kharkiv Institute of Physics and Technology†, Akademichna Street, 61108 Kharkiv, Kharkivs’ka Oblast, Ukraine
T. I. Mazilova: National Science Center “Kharkiv Institute of Physics and Technology†, Akademichna Street, 61108 Kharkiv, Kharkivs’ka Oblast, Ukraine
I. M. Mikhailovskij: National Science Center “Kharkiv Institute of Physics and Technology†, Akademichna Street, 61108 Kharkiv, Kharkivs’ka Oblast, Ukraine

Surface Review and Letters (SRL), 2022, vol. 29, issue 05, 1-5

Abstract: The interaction of accelerated helium atoms with the atomic-smooth surface of tun+gsten single crystals was investigated using the low-temperature field-ion microscope, equipped with the source of helium atoms with an energy of 5 keV together with the techniques of molecular dynamics. It was observed the effect of the surface channeling of fast atoms of a target along the surface steps which occurs as a result of the collision cascade induced by the incident projectile. A substantial part of these displaced atoms in the target gains momentum oriented along the < 111 > close-packed crystallographic directions. The fine morphology of the trajectory of an excited tungsten atom reveals the transverse oscillations of the W atom normally to the < 111 > surface atomic step. The rate of the kinetic energy loss during the surface channeling of fast tungsten atoms does not exceed 0.4 eV/Ã…. This provides relatively large displaced surface atom ranges along the close-packed atomic steps. The found out results can be regarded as a special case of the correlation mechanism of the radiation-induced surface mass transfer.

Keywords: Channeling; tungsten; field-ion microscopy; radiation-induced mass transfer; mathematical simulation (search for similar items in EconPapers)
Date: 2022
References: Add references at CitEc
Citations:

Downloads: (external link)
http://www.worldscientific.com/doi/abs/10.1142/S0218625X22500603
Access to full text is restricted to subscribers

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:wsi:srlxxx:v:29:y:2022:i:05:n:s0218625x22500603

Ordering information: This journal article can be ordered from

DOI: 10.1142/S0218625X22500603

Access Statistics for this article

Surface Review and Letters (SRL) is currently edited by S Y Tong

More articles in Surface Review and Letters (SRL) from World Scientific Publishing Co. Pte. Ltd.
Bibliographic data for series maintained by Tai Tone Lim ().