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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.
Crystal Viewer Demonstration: Bravais Lattices 2
12 Jun 2009 | Animations | Contributor(s): Gerhard Klimeck, Benjamin P Haley
This video shows the exploration of several crystal structures using the Crystal Viewer tool. Several powerful features of this tool are demonstrated
Crystal Viewer Demonstration: Various Crystal Systems
This video shows the use of the Crystal Viewer Tool to visualize several crystal systems, including Si, GaAs, C60 Buckyball, and a carbon nanotube. Crystal systems are rotated in 3D, zoomed in...
Nanotribology, Nanomechanics and Materials Characterization Studies
08 Jun 2009 | Online Presentations | Contributor(s): Bharat Bhushan
Fundamental nanotribological studies provide insight to molecular origins of interfacial phenomena including adhesion, friction, wear and lubrication.
Friction and wear of lightly loaded...
ECET 499N: Introduction to Nanotechnology
30 Mar 2009 | Courses | Contributor(s): Helen McNally
An introduction to the emerging area of nanotechnology will be studied. The primary focus will be on the technologies of nanotechnology, with specific emphasis on electronics and electrical...
Multiple Transfers of Single-Walled Carbon Nanotubes on Silicon Wafers
20 Mar 2009 | Papers | Contributor(s): Alan Salvador Teran
Single-walled carbon nanotubes (SWCNTs) have many applications, including high speed transistor devices (see Figure 1). SWCNTs are grown on single-crystal quartz wafers and then transferred onto...
ABDUL WAHEED ANWAR
Carrier Statistics Lab: First-Time User Guide
09 Mar 2009 | Teaching Materials | Contributor(s): Abhijeet Paul, Gerhard Klimeck, Benjamin P Haley, Saumitra Raj Mehrotra
This first-time user guide is an introduction to the Carrier Statistics Lab . It provides basic definitions, guidance on how to run the tool, and suggested exercises to help users get accustomed...
Modern X-ray Scattering Methods for Nanoscale Materials Analysis
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15 Oct 2008 | Online Presentations | Contributor(s): Richard J. Matyi
Since its discovery by von Laue in 1912, X-ray diffraction has become an indispensable tool for
structure determinations in the physical and biological sciences. X-rays are characterized by high...
Cylindrical CNT MOSFET Simulator
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19 Aug 2008 | Tools | Contributor(s): Gloria Wahyu Budiman, Yunfei Gao, Xufeng Wang, Siyu Koswatta, Mark Lundstrom
Simulate 2-D electrons transport in CNTFET
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10 Jul 2008 | Tools | Contributor(s): Feifei Lian, Feifei Lian, Feifei Lian
This tool performs a self-consistent simulation of the current-voltage curve of a metallic single-wall carbon nanotube with Joule heating.
Some Important Aspects of the Chemistry of Nanomaterials
01 Jul 2008 | Online Presentations | Contributor(s): C.N.R. Rao
Keynote address for the launch of the Center for Analytical Instrumentation Development.
CNT Heterojunction Modeler
24 Jun 2008 | Tools | Contributor(s): Joe Ringgenberg, Joydeep Bhattacharjee, Jeffrey B. Neaton, Jeffrey C Grossman
Study the structure and electronic properties of carbon nanotubes with linear heterojunctions.
BNC Research Review: Carbon Nanotubes as Nucleic Acid Carriers
04 Jun 2008 | Online Presentations | Contributor(s): Don Bergstrom
This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the...
The electrical field from the gate of CNFET can not affect the transistor.
Open | Responses: 2
I tried to fabricate the Carbon nanotube field effect transistor (CNFET) for around half a year, however, none of them is working till now. The main problem was the source to...
Nano Carbon: From ballistic transistors to atomic drumheads
14 May 2008 | Online Presentations | Contributor(s): Paul L. McEuen
Carbon takes many forms, from precious diamonds to lowly graphite. Surprisingly, it is the latter that is the most prized by nano physicists. Graphene, a single layer of graphite, can serve as an...
Carbon Nanotechnology: Scientific and Technological Issues
07 Apr 2008 | Online Presentations | Contributor(s): Joe Lyding
Carbon nanotechnologies based on single-walled carbon nanotubes (SWNTs) and graphene (a single atomic layer of graphite) are being pursued for a wide range of technological...
Selected Properties of Carbon Nanostructures: from Exotic Fullerenes to Nanotubes
31 Mar 2008 | Online Presentations | Contributor(s): Manfred M. Kappes
The talk presents results from ongoing projects in the field of carbon
nanostructures: (i) Mass selected ion beam soft-landing has been used
to generate exotic fullerene materials comprising...
Boltzmann Transport Simulator for CNTs
27 Mar 2008 | Tools | Contributor(s): Zlatan Aksamija, Umberto Ravaioli
Simulate Electron transport in Single-walled carbon nanotubes using an upwinding discretization of the Boltzmann transport equation in the relaxation time approximation.