基于In2Se3-石墨烯vdW铁电异质连接的场效应晶体管,用于高性能和低功耗逻辑应用
Miao-Wei Zhao1, Jian-Qing Dai1, Jin Yuan1
1Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, P. R. China. djqkust@kust.edu.cn.
Physical chemistry chemical physics : PCCP
|January 6, 2026
概括
本研究介绍了一种使用In2Se3/石墨烯用于先进逻辑设备的新型2D铁电异联FET (FeHJ-FET). 它展示了用于高性能,低功耗应用的非挥发性调制,突破性能极限.
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:
- 二维 (2D) 铁电材料是不可挥发性内存的关键,但它们在逻辑设备中的应用尚未得到充分探索.
- 了解铁电接口的传输机制对于下一代电子设备至关重要.
研究的目的:
- 为逻辑应用提出和研究2D铁电异质连接FET (FeHJ-FET).
- 探索α-In2Se3作为先进FET中的通道材料的潜力.
- 为了证明用于增强设备性能的接口属性的非挥发性调制.
主要方法:
- 密度函数理论 (DFT) 与非平衡格林函数 (NEGF) 方法相结合.
- In2Se3/石墨烯vdW异质连接的制造和表征.
- 对Schottky屏障高度调节和传输特性进行分析.
主要成果:
- 通过逆转α-In2Se3极化来证明 Schottky屏障高度 (SBH) 接口的非挥发性调制,使接触成为可能.
- 在具有底层结构的In2Se3↓/Gr FeHJ-FET中实现了优异的启动状态电流和10^7的开启/关闭比.
- 观察到一个突破博尔兹曼极限的子值波动,满足国际设备和系统路线图 (IRDS) 2034对高性能 (HP) 和低功耗 (LP) 逻辑的要求.
结论:
- 在二维半导体框架内,α-In2Se3是用于高性能/低功耗逻辑FET的有前途的通道材料.
- 设计的vdW铁电异联晶体管提供了可静电重新配置的接口特性.
- 这项工作为设计先进的铁电异质连接器件提供了理论基础.
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