基于单层 n-MoS2和 p-WSe2的高性能单体3D集成互补逆变器
Ming-Jin Liu1,2,3, Wei-Jie Lan1,2,3, Cai-Syuan Huang1,2,3
1Department of Materials Science and Engineering, National Tsing-Hua University, Hsinchu, 30013, Taiwan.
Small (Weinheim an der Bergstrasse, Germany)
|January 24, 2024
概括
研究人员使用二化 (WSe2) 和二硫化 (MoS2) 2D材料开发了3D集成逆变器. 这些先进的设备为未来的电子产品提供高性能和超低功耗.
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:
- 像过渡金属二甲基化物 (TMDs) 这样的二维 (2D) 材料具有独特的电子特性.
- 不同的2D材料的垂直集成是具有挑战性的,但对于新的设备架构至关重要.
研究的目的:
- 展示使用单层WSe2和MoS2.2的3D集成逆变器的制造和性能.
- 为了评估这些集成设备的电压增益,功耗和可靠性.
主要方法:
- 在使用半导体行业技术的单层MoS2 (n型) FET阵列之上垂直集成CVD合成的单层WSe2 (p型) FET.
- 采用低温加工 (<250°C) 来保持材料的完整性.
- 使用转移,e-beam蒸发 (EBV) 和等离子蚀刻进行制造.
主要成果:
- 在MoS2 NMOS和WSe2 PMOS设备中实现了高开/关电流比 (>106).
- 展示了集成的3D逆变器,在VDD=2V时平均电压增益为≈9.
- 在VDD=1V的情况下,显示的超低功耗 (0.112nW) 是1V.
结论:
- 成功制造出可靠的3D集成逆变器,使用大规模的2D单层TMD.
- 这些设备显示出未来集成电路中大面积应用的巨大潜力.
- 突出了2DTMD在下一代电子产品中的进步.
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