带结构工程在MXenes的前景为主动交换MXetronics:计算洞察力和实验方法的实验方法
Ganapathi Bharathi1, Seongin Hong1,2
1Department of Physics, Gachon University, Seongnam 13120, Republic of Korea.
Materials (Basel, Switzerland)
|January 11, 2025
概括
二维MXenes可以从金属材料转换为半导体材料. 这种可调性为下一代电子通道材料通过表面功能化,应变工程和组成变化开辟了可能性.
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:
- MXenes 是一种具有多种应用的二维过渡金属碳化物/化物.
- 它们的金属性质限制了在活动电子设备中的电极中使用.
- 修改MXenes成为半导体对于先进的通道材料至关重要.
研究的目的:
- 审查调整MXene电子带结构的策略.
- 探索MXenes作为半导体通道材料的潜力.
- 详细介绍实现半导体MXenes的计算和实验方法.
主要方法:
- MXenes 的表面功能化.
- 外部应变的应用 (应变工程).
- MXene组成的变化.
主要成果:
- 金属MXenes可以有效地调整到半导体特性.
- 表面功能化,应变和组成是关键的修改策略.
- 计算和实验方法验证了这些调整方法.
结论:
- 调整MXene电子结构使其能够在电极之外使用.
- 表面功能化,应变和组成是半导体MXenes的可行途径.
- 本综述提供了关于为未来的电子设备准备半导体MXenes的见解.
更多相关视频
06:53Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
Published on: June 9, 2023
1.9K
11:44Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
Published on: August 15, 2014
10.3K
相关概念视频
MOSFET: Enhancement Mode
284
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...
284
Switching of BJT
363
Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
363
Electro-mechanical Systems
915
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
915
MOSFET
417
The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
In an n-MOSFET, the structure includes n-type source and drain...
417
Biasing of Metal-Semiconductor Junctions
209
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...
209
Multimachine Stability
140
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
140
