Anomalies in the calculation of dpa by using damage energy method based on full-cascades option of SRIM

被引:7
|
作者
Sun, Y. [1 ]
Diao, S. Z. [1 ]
Liu, P. P. [1 ]
Zhan, Q. [1 ]
Wan, F. R. [1 ]
机构
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
关键词
SRIM; Displacements per atom (dpa); Ion irradiation; Defect production; RADIATION-DAMAGE; IRRADIATION; DISPLACEMENT;
D O I
10.1016/j.anucene.2022.109667
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
Using energy method based on SRIM to calculate defect production is gradually becoming an international standard, which is crucial for quantitative comparison of radiation effects results obtained by different research groups. Several abnormal phenomena were shown and discussed when the displacements per atom (dpa) values were calculated by energy method with "Detailed calculation with Full Damage cascades" (F-C) mode. These phenomena include negative dpa values which are clearly contradicted physical meaning of dpa, vary with different ions and targets. Based on the SRIM simulation result data, a dpa calculation script was developed, which may facilitate the calculation of defect production.
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页数:9
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