相关实验视频

Updated: Jun 9, 2026

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

基于2D材料的缩放式晶体管的横向电场工程通过相位过渡来实现2D材料

Jialei Miao¹, Liang Tian², Heng Zhang¹

¹College of Integrated Circuits, ZJU-Hangzhou Global Scientific and Technological Innovation Centre, Zhejiang University, Hangzhou 310027, China.

|May 12, 2025

概括

研究人员开发了一种用于二维材料 (2DM) 的新兴技术,用于控制晶体管中的电场. 这种方法提高了晶体管的可靠性,并通过减少自我加热效应来延长运行寿命.

科学领域:

材料科学材料科学材料科学
电气工程电气工程
纳米技术纳米技术

背景情况:

在场效应晶体管中控制电场对于可靠运行和寿命至关重要.
基于二维材料 (2DM) 的晶体管在横向电场操纵方面面临挑战,原因是缺乏CMOS兼容的兴奋剂策略.

研究的目的:

为2DMs开发一种可广泛调节的,高空间分辨率的兴奋剂技术.
为了在基于2DM的晶体管中实现有效的侧向电场调制.

主要方法:

利用 Ar 血治疗对内在的二化物 (PtSe2) 诱导相位过渡和可控制的兴奋剂.
实现了100纳米长度分辨率的兴奋剂控制,从半导体过渡到金属层.
为PtSe2晶体管设计的欧米接触排水/源结构.

主要成果:

在 PtSe2 晶体管中证明了高电流密度 (245.5 μA/μm 在 Vd = 1 V) 和低接触电阻 (264 Ω·μm).
在排水/源区域实现了分级兴奋剂,显著减少了焦尔热量产生.
观察到晶体管寿命增加了33倍,而与Ohm接触式晶体管相比,现状电流降解最小.
通过侧向电场调制来有效抑制短通道效应.

结论:

开发的兴奋剂技术可以精确控制2DM晶体管中的电场.
这种进步带来了设备可靠性的提高,减少了自热,并延长了运行寿命.
该方法有望克服2DM晶体管设计和性能方面的局限性.

关键词:

接触电阻接触电阻接触电阻电场调制的电场调制方法轻微杂的排水道.可靠性的可靠性两个维的材料是二维材料.

更多相关视频

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

相关概念视频

Induced Electric Fields: Applications

Induced Electric Fields: Applications

An important distinction exists between the electric field induced by a changing magnetic field and the electrostatic field produced by a fixed charge distribution. Specifically, the induced electric field is nonconservative because it does not work in moving a charge over a closed path. In contrast, the electrostatic field is conservative and does no net work over a closed path. Hence, electric potential can be associated with the electrostatic field but not the induced field. The following...

Electric Field of Parallel Conducting Plates

Electric Field of Parallel Conducting Plates

Gauss' law relates the electric flux through a closed surface to the net charge enclosed by that surface. Gauss's law can be applied to find the electric field and the charge enclosed in a region depending on its charge distribution.
Consider a cross-section of a thin, infinite conducting plate having a positive charge. For such a large thin plate, as the thickness of the plate tends to zero, the positive charges lie on the plate's two large faces. Without an external electric field, the...

Field Effect Transistor

Field Effect Transistor

Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...

MOSFET: Enhancement Mode

MOSFET: Enhancement Mode

Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no current...

Electrochemical Systems

Electrochemical Systems

Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution, the Zn metal, composed...

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...