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Tags: carbon nanotubes

Description

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.

Resources (101-120 of 139)

  1. EDA Challenges in Nanoscale Design: A Synopsys Perspective

    11 Apr 2006 | Online Presentations | Contributor(s): Rich Goldman

    Rich Goldman gives an overview of the current state of the semiconductor and EDA (Electronic Design Automation) industry with a special focus on the impact of nanometer scale design on design...

    http://nanohub.org/resources/1220

  2. The Long and Short of Pick-up Stick Transistors: A Promising Technology for Nano- and Macro-Electronics

    11 Apr 2006 | Online Presentations | Contributor(s): Muhammad A. Alam

    In recent years, there has been enormous interest in the emerging field of large-area macro-electronics, and fabricating thin-film transistors on flexible substrates. This talk will cover recent...

    http://nanohub.org/resources/1214

  3. Molecular Dynamics Studies of Gaseous Transport

    05 Apr 2006 | Online Presentations | Contributor(s): Ki-Ho Lee, Jason Myers, Susan Sinnott

    Carbon nanotubes (CNTs) have generated a great deal of interest due to their unique properties. In this study, we examine the transport properties of various nanotubes using REBO-MD to determine...

    http://nanohub.org/resources/1198

  4. Thermal Microsystems for On-Chip Thermal Engineering

    04 Apr 2006 | Online Presentations | Contributor(s): Suresh V. Garimella

    Electro-thermal co-design at the micro- and nano-scales is critical for achieving desired performance and reliability in microelectronic circuits. Emerging thermal microsystems technologies...

    http://nanohub.org/resources/1182

  5. Tribological Properties of Carbon Nanotube Bundles

    03 Apr 2006 | Online Presentations | Contributor(s): SeongJun Heo, Susan Sinnott

    The tribological properties of carbon nanotube(CNT) bundles are investigated in this research using classical molecular dynamics(MD) simulations. Bundle of hollow single walled CNT or CNT filled...

    http://nanohub.org/resources/1168

  6. The Effect of Temperature Control on the Mechanical Behavior of Carbon Nanotubes

    29 Mar 2006 | Online Presentations | Contributor(s): SeongJun Heo, Susan Sinnott

    The effect of thermostat configurations on the mechanical behavior of empty and butane (n-C4H10) filled (10,10) carbon nanotubes (CNTs) is examined using classical, atomistic, molecular dynamics...

    http://nanohub.org/resources/1140

  7. Irradiation and Nanomechanics of Multi-Walled Carbon Nanotubes

    23 Mar 2006 | Online Presentations | Contributor(s): Sharon K. Pregler, Susan Sinnott

    Irradiation of nanotube structures with electron and ion beams has been used to produce functionalized nanotubes and fundamentally new structures, including junctions. Here, we build on previous...

    http://nanohub.org/resources/1114

  8. Engineering the Fiber-Matrix Interface in Carbon Nanotube Composites

    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...

    http://nanohub.org/resources/1113

  9. 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...

    http://nanohub.org/resources/1106

  10. 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...

    http://nanohub.org/resources/1097

  11. 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...

    http://nanohub.org/resources/1021

  12. 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...

    http://nanohub.org/resources/970

  13. Resonant Tunneling Diodes: an Exercise

    06 Jan 2006 | Teaching Materials | Contributor(s): H.-S. Philip Wong

    This homework assignment was created by H.-S. Philip Wong for EE 218 "Introduction to Nanoelectronics and Nanotechnology" (Stanford University). It includes a couple of simple "warm up" exercises...

    http://nanohub.org/resources/891

  14. Fundamentals of Nanoelectronics (Fall 2004)

    01 Sep 2004 | Courses | Contributor(s): Supriyo Datta, Behtash Behinaein

    Please Note: A newer version of this course is now available and we would greatly appreciate your feedback regarding the new format and contents. Welcome to the ECE 453 lectures. The...

    http://nanohub.org/resources/626

  15. 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...

    http://nanohub.org/resources/520

  16. 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...

    http://nanohub.org/resources/513

  17. 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...

    http://nanohub.org/resources/196

  18. Introduction to Carbon Nanotube Electronics

    12 Oct 2005 | Learning Modules | Contributor(s): Susan Sinnott

    Carbon nanotubes (CNT) have interesting, structure-dependent electronic properties. In particular, CNTs can be a metallic or semiconducting depending on the way in which the carbon atoms are...

    http://nanohub.org/resources/231

  19. 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...

    http://nanohub.org/resources/193

  20. Quantum Dots

    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...

    http://nanohub.org/resources/189

nanoHUB.org, a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.