相关实验视频

Updated: May 6, 2026

Scanning SQUID Study of Vortex Manipulation by Local Contact

Scanning SQUID Study of Vortex Manipulation by Local Contact

Published on: February 1, 2017

在三层石墨烯中对域壁进行可逆电机操作,通过铁电滑动

Zhao Liu^1,2,3, Yunyun Wei^1,3, Wengen Ouyang⁴

¹State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou, China. zhaoliu@licp.cas.cn.

Materials horizons

|July 1, 2025

概括

研究人员使用纳米级剪切应变和低压场在三层石墨烯中动态操纵域壁单离子. 这种方法精确地控制1D p-n连接,推进纳米级设备应用.

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:

二维范德瓦尔斯材料为先进的应用提供了独特的特性.
三层石墨烯在电场下表现出 homojunctions (ABA/ABC 堆叠),形成平面内 p-n 结.
涉及紧张碳环的域壁 (DW) 单离子对于这些石墨烯结点至关重要.

研究的目的:

开发一种用于动态操纵DW单子的低能方法.
为精确控制,将纳米尺度剪切应变与低压场集成.
为了使三层石墨烯中的DW单子能够灵活地重新定位.

主要方法:

使用原子力显微镜 (AFM) 尖端应用纳米尺度剪切应变.
在三层石墨烯中集成电调节的ABC/ABA同联接.
杆铁电滑动用于受控堆叠配置和DW单元操纵.

主要成果:

展示了一种低能量的方法来动态操纵DW单子.
实现了对堆叠配置和DW单元定位的精确控制.
通过使用集成的剪切应变和电场,成功地定制了1D p-n连接点.

结论:

提出了一个可扩展和有效的策略来操纵DW单子.
在范德瓦尔斯材料中为1D p-n连接量身定制开辟了新的途径.
为新的纳米物理应用铺平了道路,利用受控石墨烯异构结构.

更多相关视频

Electric-field Control of Electronic States in WS2 Nanodevices by Electrolyte Gating

Electric-field Control of Electronic States in WS2 Nanodevices by Electrolyte Gating

Published on: April 12, 2018

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

相关概念视频

The Electrical Double Layer

The Electrical Double Layer

In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...