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

页码：287 / 290

页数：4

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