Related Experiment Video
Updated: May 9, 2026
10:36
Electric-field Control of Electronic States in WS2 Nanodevices by Electrolyte Gating
Published on: April 12, 2018
Field-effect transistors based on WS2 nanotubes with high current-carrying capacity
Roi Levi1, Ora Bitton, Gregory Leitus
1Department of Materials and Interfaces, Weizmann Institute of Science, Rehovot, Israel.
Nano Letters
|August 1, 2013
Summary
Researchers developed the first transistor using inorganic nanotubes (WS2). These nanotubes show high electron mobility and current-carrying capacity, making them ideal for advanced electronics.
Area of Science:
- Materials Science
- Nanotechnology
- Solid-State Physics
Background:
- Low-dimensional materials are crucial for next-generation electronics.
- Exploring novel materials like inorganic nanotubes is essential for advancing device performance.
Purpose of the Study:
- To investigate the potential of inorganic nanotubes for high-performance electronic applications.
- To fabricate and characterize transistors based on individual tungsten disulfide (WS2) nanotubes.
Main Methods:
- Fabrication of transistors using individual WS2 nanotubes.
- Electrical characterization of nanotube devices to measure mobility and current-carrying capacity.
Main Results:
- The first transistor based on inorganic nanotubes (WS2) was successfully demonstrated.
- Individual WS2 nanotubes exhibited high electron mobility up to 50 cm(2) V(-1) s(-1).
- Remarkably high current density of at least 2.4 × 10(8) A cm(-2) was observed.
Conclusions:
- Inorganic nanotubes, specifically WS2, are highly promising for high-performance electronic applications.
- The demonstrated mobility and current-carrying capacity surpass those of many other low-dimensional materials.
- These findings pave the way for novel electronic devices utilizing nanotube technology.
More Related Videos
09:14Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices
Published on: December 7, 2017
12:20Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions
Published on: July 22, 2013
Related Concept Videos
01:29Field 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...
01:22MOSFET: 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...
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...
01:22Biasing of FET
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 gate...
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the gate...
01:16MOSFET
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...
01:20MOSFET: Depletion Mode
Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity arises...
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity arises...
01:17Characteristics of MOSFET
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 quicker...
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 quicker...