Sputtering of mixed materials of beryllium and tungsten by hydrogen and helium

被引：14
|
作者：
Mutzke, A. [1 ]
Bandelow, G. [2 ]
Schneider, R. [2 ]
机构：
[1] Max Planck Inst Plasma Phys, D-17491 Greifswald, Germany
[2] Ernst Moritz Arndt Univ Greifswald, Inst Phys, D-17489 Greifswald, Germany
来源：
JOURNAL OF NUCLEAR MATERIALS | 2015年 / 467卷
关键词：
SDTrimSP; Sputtering; Scattering; Mixed-materials; Beryllium; Tungsten;
D O I：
10.1016/j.jnucmat.2015.05.052
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The interaction of mixed Beryllium/Tungsten targets with Hydrogen and Helium is studied using the binary collision code SDTrim-SP. We restrict the study to a sub-set of material mixes expected to be stable Be, Be2W, Be12W, Be24W, and W. The dynamic changes of the surface and subsequent effects on sputter rates and other quantities are analyzed. In the mixed systems it is very important to use the dynamic mode, because the change of surface composition by the impact of the projectiles changes the sputter yield. Therefore, the sputter yield calculated from the dynamic mode can differ substantially from results assuming a static target not influenced by the impact of the projectiles. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：413 / 417
页数：5
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