100纳米RADFET作为质子束探测器的表征
J A Moreno-Pérez1, I Ruiz-García2, R Duane3
1PRIMELab, ECsens, Sport and Health University Research Institute (iMUDS), Department of Electronics and Computer Technology, Research Centre for Information and Communications Technologies (CITIC), University of Granada, 18071 Granada, Spain.
Sensors (Basel, Switzerland)
|January 10, 2026
概括
RADFET VT06辐射探测器在高剂量质子测量中表现出极好的线性和稳定性,使其适合用于航天器任务. 它的性能在各种质子能量和剂量中得到了验证.
科学领域:
- 太空科学与工程 太空科学与工程
- 辐射检测和测量 辐射检测和测量
- 半导体设备物理 半导体设备物理
背景情况:
- Rad-FET (辐射敏感场效应晶体管) 设备对于在恶劣环境中监测辐射剂量至关重要.
- 航天器任务需要可靠的剂量计,能够承受高辐射水平.
- 描述新的辐射探测器对于验证它们在特定应用中的性能至关重要.
研究的目的:
- 描述RADFET VT06用于高剂量质子应用,特别是用于航天器任务.
- 为了评估RADFET VT06在质子辐射下的线性,灵敏度和稳定性.
- 评估RADFET VT06作为高能质子束剂量计的适用性.
主要方法:
- 在两个不同的加速器设施中,RADFET VT06被低能和高能质子束 (1-230 MeV) 辐射.
- 累积剂量在130至512 Gy之间,RADFET在照射过程中没有偏差.
- 辐射前后测量源电压,以监测辐射剂量,使用专门的读数单元.
主要成果:
- 观察到极好的线性,最小相关系数 (R2) 为0.996.996.
- 灵敏度从 (0.691 ± 0.007) mV/Gy 在1 MeV到 (1.143 ± 0.023) mV/Gy 在230 MeV.
- 证明了出色的稳定性,在高累积剂量后分散率低于4%.
结论:
- 拉德菲特VT06在一系列质子能量中表现出线性反应和低灵敏度分散.
- 该探测器表现出极好的稳定性,使其成为高剂量质子剂量计的可靠选择.
- 凭借适当的读取系统,RADFET VT06是太空应用中高剂量质子束监测的有希望的解决方案.
相关概念视频
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