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100 amps of electricity crackle in a vacuum chamber, creating a
spark that transforms carbon vapor into tiny structures. Depending
on the conditions, these structures can be shaped like little,
60-atom soccer balls, or like rolled-up tubes of atoms, arranged
in a chicken-wire pattern, with rounded ends. These tiny, carbon
nanotubes, discovered by Sumio Iijima at NEC labs in 1991, have
amazing properties. They are 100 times stronger than steel, but
weigh only one-sixth as much. They are incredibly resilient
under physical stress; even when kinked to a 120-degree angle,
they will bounce back to their original form, undamaged. And
they can carry electrical current at levels that would vaporize
ordinary copper wires.
Learn more about carbon nanotubes from the many resources on this site, listed below. More information on Carbon nanotubes can be found here.
Engineering the Fiber-Matrix Interface in Carbon Nanotube Composites
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23 Mar 2006 | Online Presentations | Contributor(s): Sharon K. Pregler, Yanhong Hu, Susan Sinnott
Particle depositions on polymer and carbon substrates to induce surface chemical modification are a growing research topic in particle-surface interactions due to localized deposition energy and …
Bending Properties of Carbon Nanotubes
21 Mar 2006 | Online Presentations | Contributor(s): SeongJun Heo, Susan Sinnott
The effect of filling carbon nanotubes on the mechanical, especially bending, behavior of empty and filled (10,10) carbon nanotubes (CNTs) is examined using classical, atomistic, molecular dynamics …
Electron and Ion Microscopies as Characterization Tools for Nanoscience and Nanotechnology
27 Feb 2006 | Online Presentations | Contributor(s): Eric Stach
This tutorial presents a broad overview of the basic physical principles of techniques used in scanning electron microscopy (SEM), as well as their application to understanding …
A Gentle Introduction to Nanotechnology and Nanoscience
13 Feb 2006 | Online Presentations | Contributor(s): Mark A. Ratner
While the Greek root nano just means dwarf, the nanoscale has become a giant focus of contemporary science and technology. We will examine the fundamental issues underlying the excitement involved …
Optimization of Transistor Design for Carbon Nanotubes
20 Jan 2006 | Online Presentations | Contributor(s): Jing Guo
We have developed a self-consistent atomistic simulator for CNTFETs. Using the simulator, we show that a recently reported high-performance CNTFET delivers a near ballistic on-current. The …
Atomic Force Microscopy
01 Dec 2005 | Online Presentations | Contributor(s): Arvind Raman
Atomic Force Microscopy (AFM) is an indispensible tool in nano science for the fabrication, metrology, manipulation, and property characterization of nanostructures. This tutorial reviews some of the …
An Electrical Engineering Perspective on Molecular Electronics
26 Oct 2005 | Online Presentations | Contributor(s): Mark Lundstrom
After forty years of advances in integrated circuit technology, microelectronics is undergoing a transformation to nanoelectronics. Modern day MOSFETs now have channel lengths that are less than 50 …
Semiconductor Interfaces at the Nanoscale
17 Oct 2005 | Online Presentations | Contributor(s): David Janes
The trend in downscaling of electronic devices and the need to add functionalities such as sensing and nonvolatile memory to existing circuitry dictate that new approaches be developed for device …
On the Reliability of Micro-Electronic Devices: An Introductory Lecture on Negative Bias Temperature Instability
28 Sep 2005 | Online Presentations | Contributor(s): Muhammad A. Alam
In 1930s Bell Labs scientists chose to focus on Siand Ge, rather than better known semiconductors like Ag2S and Cu2S, mostly because of their reliable performance. Their choice was rewarded with the …
21 Jul 2005 | Online Presentations | Contributor(s): Gerhard Klimeck
Quantum Dots are man-made artificial atoms that confine electrons to a small space. As such, they have atomic-like behavior and enable the study of quantum mechanical effects on a length scale that …
Nanostructure Engineered Sensors for Gas Detection in Space and Terrestrial Applications
28 Jul 2005 | Online Presentations | Contributor(s): Jing Li
A nanosensor technology has been developed using single walled carbon nanotubes (SWNTs) on a pair of interdigitated electrodes (IDE) processed with a silicon-based microfabrication and micromachining …
A New Terahertz Heterodyne Detector Based on Single-Walled Carbon Nanotubes
27 Jul 2005 | Online Presentations | Contributor(s): Sigfrid Yngvesson
We present non-invasive methods for improving the sensitivity of label-free biosensors that offer the advantage of rapid and real-time detection but suffer from relatively low sensitivity. We present …
The Bardeen Transfer Hamiltonian Approach to Tunneling and its Application to STM/Carbon Nanotubes
05 May 2004 | Online Presentations | Contributor(s): Peter Albrecht, Kyle Ritter, Laura Ruppalt
This presentation covers the Bardeen Transfer Hamiltonian approach to tunneling and its application to STM/carbon nanotubes.
Moore's Law Forever?
13 Jul 2005 | Online Presentations | Contributor(s): Mark Lundstrom
This talk covers the big technological changes in the 20th and 21st century that were correctly predicted by Gordon Moore in 1965. Moore's Law states that the number of transistors on a silicon chip …
Nanomaterials: Quantum Dots, Nanowires and Nanotubes
15 Jul 2005 | Online Presentations | Contributor(s): Timothy D. Sands
What is a quantum dot? What is a nanowire? What is a nanotube? Why are these interesting and what are their potential applications? How are they made? This presentation is intended to begin to …
Nanodevices: A Bottom-up View
13 Jun 2005 | Online Presentations | Contributor(s): Supriyo Datta
It is common to differentiate between two ways of building a nanodevice: a top-down approach where we start from something big and chisel out what we want and a bottom-up approach where we start …
Nanoelectronics: The New Frontier?
18 Apr 2005 | Online Presentations | Contributor(s): Mark Lundstrom
After forty years of advances in integrated circuit technology, microelectronics is undergoing a transformation to nanoelectronics. Modern day MOSFETs now have channel lengths of only 50 nm, and …
Interfacing Carbon Nanotubes with Biological Systems: From Biosensors to Cellular Transporters
21 Oct 2004 | Online Presentations | Contributor(s): Hongjie Dai
This talk will discuss two relatively new topics in carbon nanotube research. The first is nanotubes for chemical and biological sensors, an exploration motivated by the ultra high surface area of …
Vertically Aligned Carbon Nanotube for Interconnects and Nanoelectrode Based Biosensors
15 Apr 2004 | Online Presentations | Contributor(s): Jun Li
In the past few years, tremendous progress in the growth of carbon nanotubes (CNTs) has been made, which enabled the fabrication of various CNT devices for applications in electronics, biomedical …
Electronic Transport in Semi-conducting Carbon Nanotube Transistor Devices
16 Oct 2003 | Online Presentations | Contributor(s): Joerg Appenzeller
Recent demonstrations of high performance carbon nanotube field-effect transistors (CNFETs) highlight their potential for a future nanotube-based electronics. Besides being just a nanometer in …
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