在超薄的氧化晶体管中,具有广泛的和区域选择性的门电压调性
Robert Tseng1, Sung-Tsun Wang1, Tanveer Ahmed1
1Institute of Electronics, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.
Nature communications
|August 28, 2023
概括
研究人员开发了一种光热方法,用于在超薄晶体管中进行宽范围值电压 (VT) 调整. 这种紫外线照明和氧气回火技术提供可逆的VT调制,这对于先进的电子设备至关重要.
科学领域:
- 材料科学 材料科学 材料科学
- 半导体物理 半导体物理
- 纳米技术纳米技术
背景情况:
- 晶体管缩放需要研究超薄和二维 (2D) 材料.
- 在超薄晶体管中调节值电压 (VT) 是很困难的,因为传统的兴奋剂的限制.
- 在超薄器件中控制静脉电流的现有方法往往是复杂的,或者不适用于所有.
研究的目的:
- 引入一种新的光热方法,用于在超薄的氧化物 (In2O3) 中广泛的门电压 (VT) 调性.
- 证明拟议的VT调制技术的可逆性和广泛能力 (正负移).
- 探索这种VT控制方法在制造功能性电子设备和实现晶圆尺度处理中的应用.
主要方法:
- 在超薄的氧化物 (In2O3) 薄膜上使用紫外线 (UV) 照明和氧气火的组合.
- 研究了板载体密度的调制,作为VT转移的直接测量.
- 采用自动化激光系统进行晶圆尺度VT调制.
主要成果:
- 通过光热方法在超薄的In2O3中实现了广泛的可逆值电压 (VT) 调整.
- 证明了与其他超薄和2D半导体中已建立的兴奋剂和电容充电技术相匹配的VT调制.
- 成功制造了耗尽负载逆变器,多态逻辑设备,并实现了晶圆尺度VT调制.
结论:
- 光热法为超薄半导体的值电压 (VT) 控制提供了一种多功能和有效的方法.
- 这种技术在开发低功耗集成电路和非·诺伊曼计算架构方面具有重大潜力.
- 展示的晶圆尺度能力凸显了这种方法在半导体制造中的实际应用性.
相关概念视频
01:17Characteristics of MOSFET
416
Metal-oxide-semiconductor field-effect Transistors, or MOSFETs, play a critical role in electronic circuits. They are primarily utilized for amplifying and switching signals.
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
416
01:27Biasing of Metal-Semiconductor Junctions
280
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
280
01:22MOSFET: Enhancement Mode
378
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...
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...
378
01:22Biasing of FET
307
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
307
01:24Metal-Semiconductor Junctions
384
The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The...
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The...
384
01:21Characteristics of JFET
551
Junction Field Effect Transistors (JFETs) exhibit specific operational characteristics based on the relationship between the drain current (id) and the drain-source voltage (Vds), along with varying gate-source voltages (Vgs).
The core of a JFET's operation is controlling drain current by modulating the gate-source voltage. When the drain and gate voltage are set to zero, the JFET exhibits no net current flow, representing a state of equilibrium. The drain current increases linearly as the...
The core of a JFET's operation is controlling drain current by modulating the gate-source voltage. When the drain and gate voltage are set to zero, the JFET exhibits no net current flow, representing a state of equilibrium. The drain current increases linearly as the...
551