高性能单层MoS2纳米板GAA晶体管高性能
Bo-Jhih Chou1, Yun-Yan Chung2, Wei-Sheng Yun2
1Institute of Electronics, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.
Nanotechnology
|December 7, 2023
概括
单层二硫化物 (MoS2) 纳米板门全方位场效应晶体管 (NS-GAAFET) 显示出高性能. 这表明了它们对未来逻辑晶体管应用的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 电气工程 电气工程
背景情况:
- 过渡金属二甲基化物 (TMD) 对下一代电子产品具有前景.
- 缩小晶体管的规模需要先进的材料和设备架构.
研究的目的:
- 为了展示单层MoS2纳米板门全方位场效应晶体管 (NS-GAAFETs).
- 为了评估这些设备在逻辑晶体管应用中的性能.
主要方法:
- 制造0.7纳米厚的单层MoS2纳米板设备.
- 符合规范的高-κ金属门沉积.
- 具有不同通道长度 (80 nm 到 40 nm) 的 NS-GAAFET 的电气特性.
主要成果:
- 在40nm通道长度下达到~410μA/μm的高启动状态电流密度.
- 在1V的排水电压下,获得了6 × 10^8的大开/关比.
- 提取了低接触电阻 (0.48 ± 0.1 kΩ·μm),表明频道主导的性能.
结论:
- 单层MoS2 NS-GAAFET具有出色的电气特性.
- 结果验证了MoS2对未来逻辑晶体管的集成潜力.
- 通过频道长度扩展来保持设备性能.
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