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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
【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.
【关键词】 PIN光电二极管;
电离脉冲辐射;
光电流;
数值模拟;
【Key words】 PIN photodiode; ionization pulse radiation; photocurrent; numerical simulation;
【Key words】 PIN photodiode; ionization pulse radiation; photocurrent; numerical simulation;
- 【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