Grain growth in Zr-Fe multilayers under in situ ion irradiation

被引：6
作者：
Motta, AT
Paesano, A
Birtcher, RC
Amaral, L
机构：
[1] Penn State Univ, Dept Mech & Nucl Engn, University Pk, PA 16802 USA
[2] Univ Estadual Maringa, Dept Fis, Maringa, Parana, Brazil
[3] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA
[4] Univ Fed Rio Grande Sul, Inst Fis, BR-90046900 Porto Alegre, RS, Brazil
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2001年 / 175卷
关键词：
grain growth; ion irradiation; charged particles; metallic multilayers;
D O I：
10.1016/S0168-583X(00)00644-3
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Transmission electron microscopy (TEM) observations during in situ ion irradiation were used to study grain growth in free-standing Zr-Fe thin film multilayers at 25 and 300 K. Irradiations were performed with three different types of ions: 100 keV Ar, 300 keV Kr and 500 keV Xe ions to fluences of 3 x 10(15) ion cm(-2). Grain growth during irradiation at 20 K occurs at a similar rate to that at 300 K. At both temperatures the grain growth rate was proportional to the total number of displacements, regardless of the ion used for the irradiation. We discuss these results in terms of two previous models for grain growth under irradiation. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：521 / 525
页数：5
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