A temperature controlling apparatus for positron lifetime measurements

Bisong Cao; Yuanjin He; Weizhong Yu; Shaolin Jiang; Xumo Wu; Dongguang Wang

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A temperature controlling apparatus for positron lifetime measurements

更新时间：2022-08-16

- A temperature controlling apparatus for positron lifetime measurements
- Nuclear Techniques Vol. 05, Issue 6, (1982)
- 作者机构：
  
  1.清华大学
  2.清华大学核能技术研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1982-12
- 稿件说明：
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Bisong Cao, Yuanjin He, Weizhong Yu, et al. A temperature controlling apparatus for positron lifetime measurements[J]. Nuclear techniques, 1982, 05(6): 78-80.
DOI：

Bisong Cao, Yuanjin He, Weizhong Yu, et al. A temperature controlling apparatus for positron lifetime measurements[J]. Nuclear techniques, 1982, 05(6): 78-80. DOI：

摘要

测量不同温度下的正电子寿命谱，对于研究凝聚态物质的微观结构、缺陷以及相变具有重要意义。实验所用温度装置的好坏，对于能否顺利地进行变温测量起着重要作用。一个好的温度装置应该具备以下性能：1．合适的温度控制范围和较好的控温精度。2．不因为使用控温装置过多地增大两探头间的距离使寿命谱仪系统计数率下降。3．对谱仪时间分辨率影响较小。

Abstract

A temperature controlling apparatus for positron lifetime measurements is described. The temperature range is from -160℃ to +200℃

and the time resolution is about 320ps.

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references

K. F. Canter et al ., Phys. Rev., A 12 , 2 , 375 （ 1975 ）.

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