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硅PIN光电二极管γ电离脉冲辐射的数值模拟

Simulation on Photocurrent of Si PIN Photodiode Induced by γ Ionization Pulse Radiation

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【作者】 王祖军刘以农陈伟唐本奇黄绍艳刘敏波肖志刚张勇

【Author】 WANG Zu-jun1,2,LIU Yi-nong1,CHEN Wei2,TANG Ben-qi2,HUANG Shao-yan2,LIU Min-bo2,XIAO Zhi-gang2,ZHANG Yong2(1. Key Laboratory of Particle & Radiation Imaging of Ministry of Education,Department of Engineering Physics,Tsinghua University,Beijing 100084,CHN;2. Northwest Institute of Nuclear Technology,Xi’an 710024,CHN)

【机构】 清华大学工程物理系粒子技术与辐射成像教育部重点实验室西北核技术研究所

【摘要】 分析了γ电离脉冲辐射诱发硅PIN光电二极管产生光电流的机理。建立了硅PIN光电二极管的器件物理模型以及γ电离脉冲辐射效应模型;运用MEDICI软件,进行了辐射效应数值模拟计算。得出了γ电离脉冲辐射剂量率在100~109Gy(Si)/s范围内,诱发硅PIN光电二极管光电流变化的初步规律。对比了辐射效应数值模拟结果与国外相关文献给出的辐照实验结果。

【Abstract】 The mechanism of photocurrent of Si PIN photodiode induced by γ ionization pulse radiation is analyzed. The device physics and γ ionization pulse radiation models are established to simulate photocurrent of Si PIN photodiode by MEDICI software. The primary regularity of photocurrent of Si PIN photodiode is concluded by γ ionization pulse radiation with the dose rate of 100~109Gy(Si)/s. The Simulation results are in agreement with the experimental results given in correlative literatures.

  • 【文献出处】 半导体光电 ,Semiconductor Optoelectronics , 编辑部邮箱 ,2009年05期
  • 【分类号】TN312
  • 【被引频次】3
  • 【下载频次】221
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