在同质CMOS逆变器的V-Doped单层WS2中进行电极性调制
Boxiang Gao1, Weijun Wang1, You Meng1
1Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, 999077, China.
Small (Weinheim an der Bergstrasse, Germany)
|June 26, 2024
概括
对二维过渡金属二甲基化物 (TMD) 半导体 (如二硫化物 (WS2)) 的兴奋剂使得连续电极度调制成为可能. 这一突破为先进的超薄同质互补金属氧化物半导体 (CMOS) 设备铺平了道路.
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:
- 基于的互补金属氧化物半导体 (CMOS) 设备面临着整合的限制.
- 2D过渡金属二甲基化物 (TMDs) 为下一代电子产品提供了卓越的电气性能.
- 对二维TMD的受控兴奋剂至关重要,但对于创建均的逻辑组件仍然是一个重大挑战.
研究的目的:
- 在单层二硫化物 (WS2) 中实现连续电极度调制.
- 探索瓦纳 (V) 在WS2中作为p型剂的使用.
- 为了证明制造超薄同质CMOS设备的可行性,使用合的2D材料.
主要方法:
- 化学蒸汽沉积 (CVD) 用于将受控数量的 (V) 原子引入WS2网格.
- 单层WS2场效应晶体管 (FET) 的电气表征,具有不同的V兴奋剂度.
- 基于V-doped WS2.2的原型超薄同质CMOS逆变器的制造.
主要成果:
- 实现了单层WS2的连续电极性调制,从n型到两极性,p型和准金属状态.
- 纯 p 类型的 FET 使用 4.7 at% V-doped WS2 实现,其开启/关闭电流比为 10^5.5.
- 基于单层WS2的超薄同质CMOS逆变器的第一个原型成功建造.
结论:
- 用进行原子兴奋剂可以精确控制2D WS2的电特性.
- 这种兴奋剂策略验证了二维材料在创建先进,均的CMOS逻辑方面的潜力.
- 这些发现代表了未来集成电路超越的局限性发展的重要里程碑.
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