Calculation of the Doppler broadening of the electron-positron annihilation radiation in defect-free bulk materials

被引：79
|
作者：
Ghosh, VJ
Alatalo, M
Asoka-Kumar, P
Nielsen, B
Lynn, KG
Kruseman, AC [1 ]
Mijnarends, PE
机构：
[1] Brookhaven Natl Lab, Upton, NY 11973 USA
[2] Univ Helsinki, Helsinki Inst Phys, Helsinki 02015, Finland
[3] Univ Helsinki, Phys Lab, Helsinki 02015, Finland
[4] Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[5] Brookhaven Natl Lab, Upton, NY 11973 USA
[6] Washington State Univ, Ctr Mat Res, Pullman, WA 99163 USA
[7] Delft Univ Technol, Interfac Reactor Inst, NL-2629 JB Delft, Netherlands
来源：
PHYSICAL REVIEW B | 2000年 / 61卷 / 15期
关键词：
D O I：
10.1103/PhysRevB.61.10092
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Results of a calculation of the Doppler broadening of the positron-electron annihilation radiation and positron Lifetimes in a large number of elemental defect-free materials an presented. A simple scheme based on the method of superimposed atoms is used for these calculations. Calculated values of the Doppler broadening are compared with experimental data for a number of elemental materials, and qualitative agreement is obtained. These results provide a database which can be used for characterizing materials and identifying impurity-vacancy complexes.
引用
收藏
页码：10092 / 10099
页数：8
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