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高能碳联合兴奋剂对IMB-CNM LGAD制造和性能的影响

Jairo Villegas^1,2, Florent Dougados², Carmen Torres¹

¹Centro Nacional de Aceleradores (U. Sevilla, CSIC, J. de Andalucia), 41092 Sevilla, Spain.

Sensors (Basel, Switzerland)

|September 13, 2025

概括

低收益雪崩探测器 (LGADs) 中的碳联合兴奋剂影响收益和乘法层扩散. 这项研究描述了碳化LGADs的特征,揭示了辐射环境中对性能的影响.

科学领域:

半导体设备物理学半导体设备物理
粒子探测器技术的技术
电子产品中的辐射效应.

背景情况:

低收益雪崩探测器 (LGAD) 对于高能粒子跟踪至关重要,因为它们的定时性能.
碳联合兴奋剂正在研究,以提高LGAD在恶劣辐射环境中的弹性.
在LGAD中,内在放大是粒子检测的关键特征.

研究的目的:

执行新型碳共植入LGADs的辐射前表征.
调查碳共同植入对LGAD增益和乘法层扩散的影响.
了解设备结构和制造参数对碳的影响.

主要方法:

在IMB-CNM制造碳共植入 (碳化) 的LGAD.
探测器性能的辐射前表征.
对增益减小和乘法层扩散特征的分析.

主要成果:

与非碳化设备相比,碳联合兴奋剂减少了LGADs的名义收益.
碳共同植入对乘法层扩散的影响取决于设备结构和制造参数.
碳可以增强或抑制扩散,表明复杂的相互作用.

结论:

碳联合兴奋剂在LGAD中介绍了增益减少和受控扩散之间的权衡.
制造工艺的优化是必要的,以利用碳对辐射硬化LGADs的好处.
需要进一步的研究,以充分利用碳化LGAD用于4D跟踪应用.

关键词:

在LGAD中,LGAD是LGAD.射线和带电粒子探测器.阿尔法光谱法是指阿尔法光谱法.在中 dopant 扩散.

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