NDLI: Analysis of a tungsten surface irradiated by fast ions and deuterium plasma

Content Provider	Springer Nature Link
Author	Khripuv, B. I. Gureev, V. M. Danelyan, L. S. Zatekin, V. V. Koidan, V. S. Kulikauskas, V. S. Latushkin, S. T. Petrov, V. B. Ryazav, A. I. Unezhev, V. N.
Copyright Year	2014
Abstract	The effects occurring on the surface of tungsten under irradiation with fast ions with an energy in the megaelectrolvolt range and with high fluxes of hydrogen (deuterium) plasma are considered. These effects are radiation damage of the surface layer of the material, its erosion and deuterium retention in it. Irradiation with helium $^{4}$He$^{2+}$ (3.2–4.0 MeV) and carbon $^{12}$C$^{3+}$ (10 MeV) ions is performed using a cyclotron at the National Research Center Kurchatov Institute. The thickness of the damaged layer is 3.5–6 μm. The irradiated samples are exposed to steady-state deuterium plasma using a LENTA linear plasma facility to reach a plasma ion fluence of 10$^{21}$–10$^{22}$ cm$^{−2}$. Tungsten erosion and modification of the structure of the damaged layer are analyzed at a plasma-ion energy of 250 eV. Deuterium retention in the damaged layer is studied by elastic recoil detection analysis. The deuterium concentration and its penetration depth into the material are measured. The data obtained for different kinds of fast ions used in the work are compared.
Starting Page	229
Ending Page	233
Page Count	5
File Format	PDF
ISSN	10274510
Journal	Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques
Volume Number	8
Issue Number	2
e-ISSN	18197094
Language	English
Publisher	Pleiades Publishing
Publisher Date	2014-04-22
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Surfaces, Coatings and Films

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