Calibration of pMOS dosimeter at VT irradiation mode

Fan Long    Yan Rongliang    Jin Tao    He Chengfa

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Calibration of pMOS dosimeter at VT irradiation mode

更新时间：2021-04-09

- Calibration of pMOS dosimeter at VT irradiation mode
- NUCLEAR TECHNIQUES Issue 10, (1997)
- 作者机构：
  
  1. 中国科学院新疆物理研究所
  2. 西安微电子技术研究所
  3. 中国科学院新疆物理研究所西安微电子技术研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL818
- Published：01 October 1997
- 稿件说明：
移动端阅览
[1]范隆,严荣良,靳涛,何承发,赵元富.V_T 辐照模式 pMOS 剂量计的标定[J].核技术,1997(10):31-35.

Fan Long Yan Rongliang Jin Tao He Chengfa. Calibration of pMOS dosimeter at VT irradiation mode[J]. Nuclear techniques, 1997, (10).
[1]范隆,严荣良,靳涛,何承发,赵元富.V_T 辐照模式 pMOS 剂量计的标定[J].核技术,1997(10):31-35. DOI：

Fan Long Yan Rongliang Jin Tao He Chengfa. Calibration of pMOS dosimeter at VT irradiation mode[J]. Nuclear techniques, 1997, (10). DOI：

摘要

对辐照偏置为阈值ＶＴ的ｐＭＯＳ剂量计进行了６０Ｃｏγ射线和６ＭｅＶ电子束的辐照标定，结果表明，在不低于１０２Ｇｙ（Ｓｉ）的剂量范围内，这种变化的负栅偏电压下工作的ｐＭＯＳ剂量计呈现出线性响应，其适用于空间环境的响应灵敏度为２０ｍＶ／Ｇｙ（Ｓｉ）。同时发现，对６０Ｃｏγ射线的响应灵敏度为对６ＭｅＶ电子束的１．３倍左右。对实验结果进行了分析，认为ｐＭＯＳ剂量计的响应灵敏度与粒子辐射的种类具有一定的依赖性，提出了剂量计对混合辐射场的标定方法。

Abstract

? Calibration of the pMOS dosimeter at VT mode has been carried out for the irradiation of 60

o gamma rays or 6MeV electrons It is shown that

at the dose range larger than 102Gy（Si）

the response curve of threshold voltage shift to irradiation dose is linear and the sensitivity of the pMOS FET to irradiation is 20mV/Gy（Si） which is suitable for the use in the space radiation environment The sensitivity to 60

o gamma rays is about 13 times of that to 6MeV electrons Considering the dependence of sensitivity of the pMOS dosimeter on the sort of irradiation particles

a calibration method for a mix-irradiation field is suggested

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