On the annealing of radiation-induced point defects in tungsten

被引：3
|
作者：
Ryabtsev S.A. [1 ]
Gasparyan Y.M. [1 ]
Zibrov M.S. [1 ]
Pisarev A.A. [1 ]
机构：
[1] National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow
来源：
J. Surf. Invest. | / 3卷 / 658-662期
基金：
欧盟地平线“2020”;
关键词：
defect annealing; deuterium; radiation-induced defects; thermal desorption spectroscopy; tungsten;
D O I：
10.1134/S1027451016030332
中图分类号：
学科分类号：
摘要：
The interaction between deuterium and radiation-induced point defects in tungsten and the stages of their transformation and annealing are investigated by means of thermal-desorption spectroscopy. Primary defects, mainly vacancies, are created using 10-keV D+ ions at room temperature. In investigating the evolution of radiation-induced defects, irradiated samples are annealed at temperatures of 550–1400 K and the subsequent filling of defects is carried out by deuterium after sample irradiation with D3 + ions with an energy of 0.67 keV/deuteron at room temperature. The characteristic positions of thermal desorption peaks, as well as the temperatures of vacancy clusterization and annealing of defects, are determined. © 2016, Pleiades Publishing, Ltd.
引用
收藏
页码：658 / 662
页数：4
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