Ion-beam induced compositional changes in alloys at elevated temperatures

被引：10
|
作者：
Sckerl, MW [1 ]
Sigmund, P [1 ]
Lam, NQ [1 ]
机构：
[1] ARGONNE NATL LAB, ARGONNE, IL 60439 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1996年 / 120卷 / 1-4期
关键词：
D O I：
10.1016/S0168-583X(96)00513-7
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Near-surface compositional changes in alloys during ion bombardment have been studied theoretically. The scheme employed ensures pressure relaxation of the target, and the effects of preferential sputtering, collisional mixing, radiation-enhanced diffusion, and Gibbsian and radiation-induced segregation are allowed for. High-fluence composition profiles were determined directly from a nonlinear integro-differential equation by means of an efficient iteration procedure developed recently. The dependence of the composition profile on input parameters such as target temperature and defect mobility was examined for Ni-Cu and Ni-Pd alloys.
引用
收藏
页码：221 / 225
页数：5
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