Development and application of positron microprobe

被引：0
|
作者：
Maekawa, Masaki [1 ]
Kawasuso, Atsuo [1 ]
Hirade, Tetsuya
Miwa, Yukio
机构：
[1] Japan Atom Energy Agcy, Adv Sci Res Ctr, Gunma, Japan
来源：
TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 33, NO 2 | 2008年 / 33卷 / 02期
关键词：
Positron microbeam; Scanning positron microscope; Solid neon moderator; Beam pulsing;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have developed a positron microbeam using magnetic lenses based on the commercial scanning electron microscope (SEM). A slow positron beam was generated using a handmade Na-22 source and a solid neon moderator. The minimum beam diameter was 3.9 mu m on target. Two-dimensional image of S parameter was successfully obtained. By introducing a beam pulsing section, positron lifetime measurement is also available.
引用
收藏
页码：287 / 290
页数：4
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