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北京钢铁学院
*中国科学院物理研究所
收稿日期:1987-12-05,
纸质出版日期:1989-11
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李玉璞, 王佩璇, 刘家瑞, 等. 用质子弹性散射法研究不锈钢中注入的氦[J]. 核技术, 1989,12(11):653-656.
Yupu Li, Peixuan Wang, Jiarui Liu, et al. A study of implanted He in stainless steel by means of proton elastic scattering[J]. Nuclear techniques, 1989, 12(11): 653-656.
用质子弹性散射法研究了316L不锈钢中注入的氦。在77—673K温区,30—170keV能区完成了不同剂量(10
16
—3×10
17
/cm
2
)的He注入。当靶温≤
RT
时,He能被不锈钢有效地捕获且最大浓度随剂量的增加而线性增加。在给定的剂量下,当靶温较高时,被捕获的He的数量
Q
随温度增加而减少,这意味着在较高的温度下注He,同时有He的再发射发生。比较不同靶温下注He得到的He分布可以看出:注入时He的捕获和迁移强烈依赖于靶温。
Implanted He in SS316L has been studied by means of proton elastic scattering. He ions were implanted with energies of 30—170 keV and doses of 10
16
—3×10
17
/cm
2
at temperatures of 77—673 K. At RT and below that
it is found that He is efficiently trapped and the maximum concentration
C
He
increases linearly with the dose. At higher temperature Q
the total amount of trapped He decreases with increasing temperature for a given dose. This implies that He re-emission has to be taken into account at higher temperature. A comparison of He depth profiles for various target temperatures suggests that the He trapping and mobility during implantation are dependent on the temperature.
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B. M. U. Scherzer et al ., Radia. Eff. , 78 ( 1983 ), 417 .
S. T. Picraux , Ann, Rev. Mater. Sci. , 14 ( 1984 ), 335 .
W. Moller , Nucl. Instr. Mech. , 209—210 ( 1983 ), 773 .
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