Effect of phase on the formation of excited particles under ion bombardment of Fe-Co alloys

被引：5
|
作者：
Afanas'eva, I. A. [1 ]
Bobkov, V. V. [1 ]
Gokov, S. P. [2 ]
Gritsyna, V. V. [1 ]
Kovtun, K. V. [2 ]
Trembach, O. V. [2 ]
Shevchenko, D. I. [1 ]
机构：
[1] Kharkov Natl Univ, UA-61077 Kharkov, Ukraine
[2] Natl Sci Ctr KhPTI, UA-61108 Kharkov, Ukraine
来源：
VACUUM | 2010年 / 84卷 / 08期
关键词：
Ar+ - ion bombardment; Ion-photon emission; Fe-Co alloys; EMISSION; SURFACE; TARGET; ATOMS;
D O I：
10.1016/j.vacuum.2009.12.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Investigations of the main parameters of ion-photon emission during Ar+ ion bombardment of Fe and Co metals and Fe-Co alloys have been made. It was shown that the dependence of the quantum yields of the emissions of ejected excited Fe and Co atoms on the concentration of corresponding elements in the alloys generally decreased but showed local maxima. These maxima are related to concentrations of Fe and Co at which intermetallic compounds (FeCo, Fe3Co, FeCo3) are present. It is suggested that this local increase in excited metal atom signals is related to the breaking of intermetallic bonds. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1011 / 1013
页数：3
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