一个可靠的高性能浮式门晶体管基于ZrS2原生氧化为光电子协同的人工突触
Ding-Wen Cao1, Meng-Na Wang1, Huaqiang Pang2
1Henan Key Laboratory of Infrared Materials & Spectrum Measures and Applications, School of Physics, Henan Normal University, Xinxiang 453007, China.
ACS applied materials & interfaces
|January 31, 2025
概括
研究人员开发了一种使用二维半导体及其原生氧化物的新型浮式门晶体管 (FGT). 这种MoS2/ZrO/ZrS2 FGT提供了高性能,并简化了高级内存设备的制造.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米电子技术纳米电子技术
- 设备物理 设备物理
背景情况:
- 浮式门晶体管 (FGT) 对于克服计算机中的·诺伊曼瓶具有前景.
- 由于复杂的介电制造和材料不兼容性,目前的FGT面临着挑战.
- 需要在FGT中与2D材料兼容的简化,高性能介电材料.
研究的目的:
- 为基于二维材料的FGTs开发一种简化和高性能介电层.
- 调查新型FGT设备的突触行为和光电子存储能力.
主要方法:
- 一个可控制的氧化过程将2D ZrS2转化为其原生氧化物ZrO.
- 制造了一个MoS2/ZrO/ZrS2异构的FGT.
- 设备性能特征,包括开/关比,内存窗口,保留时间和存储容量.
主要成果:
- 实现了高开/关比 (107),宽内存窗口 (101V),长时间保留 (103s) 和7位存储.
- 证明了出色的性能指标:PPF指数 (269.4%) 和低功耗 (5 pJ).
- 该设备在光刺激下表现出生物突触行为和光电子存储.
结论:
- 新的ZrO/ZrS2介电方法简化了FGT制造,提高了性能.
- 在MoS2/ZrO/ZrS2 FGT显示了下一代多功能内存设备的潜力.
- 对信息存储和删除的光电子控制突出显示了神经形态计算中的应用.
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