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在SOI Tri-Gate纳米线场效应晶体管中分析TID和SET之间的合效应
Xilong Zhou1, Chenyu Yin1, Hongxia Liu1
1Key Laboratory for Wide Band Gap Semiconductor Materials and Devices of Education, School of Microelectronics, Xidian University, Xi'an 710071, People's Republic of China.
Nanotechnology
|September 25, 2024
概括
这项研究揭示了无连接积累模式在纳米线场效应晶体管 (NWFET) 中提供了优越的辐射硬度,而在总电离剂量和单一事件短暂效应下,与无连接和反转模式相比.
科学领域:
- 材料科学 材料科学 材料科学
- 半导体物理 半导体物理
- 辐射的影响 辐射效应
背景情况:
- 纳米线场效应晶体管 (NWFET) 是现代电子产品中的关键组件.
- 了解它们的辐射硬度对于在恶劣环境中可靠运行至关重要.
- 不同的操作模式 (无连接,反转,积累) 可能会表现出不同的辐射反应.
研究的目的:
- 为了研究NWFET在无连接 (JL),反转 (IM) 和无连接积累 (AC) 模式中的辐射反应.
- 分析总电离剂量 (TID) 和单事件瞬态 (SET) 对NWFET电气性能的合效应.
- 为了比较不同NWFET模式的辐射耐受性和降解机制.
主要方法:
- 进行了辐射实验,以评估TID和SET下的NWFET性能.
- 设备偏差配置有所变化,以分析它们对电气性能的影响.
- 在照射前后进行电气表征以量化降解.
- 在不同的TID级别下研究了SET电流生成和电费收集机制.
主要成果:
- 无连接 (JL) 模式表现出对TID和SET合效应的阻力最差.
- 倒置 (IM) 模式显示中等阻力,而无连接积累 (AC) 模式显示出最佳的辐射硬度.
- TID显著影响了SET电流的产生,峰值电流,脉冲宽度和收集电荷.
结论:
- 在经过测试的模式中,无连接积累 (AC) 模式是NWFET对辐射最强化的配置.
- 设备偏差和操作模式是决定NWFET对辐射敏感性的关键因素.
- 对交流模式优化的进一步研究可以提高NWFET在辐射密集型应用中的可靠性.
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