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InSe vdW半浮式门p-n连接晶体管的光电性能
Jinghui Wang1, Yipeng Wang2, Guojin Feng3
1Division of Thermophysics Metrology, National Institute of Metrology, Beijing 100029, People's Republic of China.
Nanotechnology
|September 8, 2023
概括
研究人员开发了一种新的半浮式门晶体管,使用InSe/h-BN/Gr进行内存和逻辑. 这种可调节的光电p-n连接晶体管具有高灵敏度和快速响应率,对于先进的电子应用至关重要.
科学领域:
- 材料科学 材料科学 材料科学
- 凝聚物质物理学 凝聚物质物理学
- 纳米技术 纳米技术
背景情况:
- 范德瓦尔斯 (vdW) 材料是先进电子设备 (如内存和逻辑应用) 的关键组件.
- 半浮式门晶体管利用VDW材料来增强功能.
研究的目的:
- 提出和研究一个新的半浮式门光电p-n连接晶体管结构.
- 探索InSe/h-BN/Gr设备的可调节光电特性和切换能力.
主要方法:
- 一个堆叠的InSe/h-BN/Gr异构结构的制造.
- 通过门电压调节InSe的电特性 (N型和P型).
- 在N型电阻和p-n连接特性之间对设备切换的研究.
- 对电阻和光电特性激光诱导调制的分析.
主要成果:
- 该InSe/h-BN/Gr装置展示了N型电阻和p-n连接状态之间的自由切换.
- 在黑暗条件下,p-n连接实现了10^7.7的高整形比率.
- 激光调制导致了高光响应 (1.154 × 10^4 A/W),检测能力 (5.238 × 10^12 斯),外部量子效率 (5.435 × 10^6%) 和低噪声等效功率 (1.262 × 10^-16 W/Hz^1/2).
结论:
- 开发的晶体管具有可调节的光电特性和高性能指标.
- 这项工作为创建高度敏感,快速响应的可调节光电p-n连接晶体管提供了基础.
- 该设备能够切换状态并响应光的能力为先进的光电子应用开辟了道路.
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