ION-BEAM INDUCED GENERATION OF CU ADATOMS ON CU(100)

被引：0
|
作者：
BREEMAN, M
BOERMA, DO
机构：
来源：
SURFACE SCIENCE | 1992年 / 278卷 / 1-2期
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D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Low-energy ion scattering was used to study on-beam induced adatom generation during irradiation of a Cu(100) surface with 6 keV Ne ions at a sample temperature of 60 K. It was found that the number of adatoms produced per incoming ion decreases from an average of 3.5 to a saturation level of 1.8 after prolonged irradiation. Two mechanisms are believed to contribute to the adatom generation: ion-beam induced atom-replacement sequences and diffusion of self-interstitial atoms to the surface. From the adatom production as a function of irradiation dose the relative contributions of the two mechanisms were determined.
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页码：L110 / L114
页数：5
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