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Tags: carbon nanotubes

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.

Resources

Tools

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Online Presentations

  • 10.0 Ranking Snider: Nanoelectronic Architectures

    Nanoelectronic Architectures

    Type Online Presentations
    Contributor(s) Greg Snider
    Date 28 Aug. 2006
    Avg. Rating 5.0 out of 5 stars  (1)
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    Nanoelectronic architectures at this point are necessarily speculative: We are still evaluating many different approaches to fabrication and are exploring unconventional devices made possible at the nano scale. This talk will start off with a review of some "classical" crossbar structures using ...

  • 10.0 Ranking Lundstrom: Moore's Law Forever?

    Moore's Law Forever?

    Type Online Presentations
    Contributor(s) Mark Lundstrom
    Date 10 Aug. 2005
    Avg. Rating 5.0 out of 5 stars  (4)
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    In 1965, Gordon Moore observed that the number of transistors on a silicon chip doubled every technology generation (12 months at that time, currently 18-24 months). He predicted that this trend would continue for a while. Forty years later, Moore's Law continues to hold. Since the number of ...

  • 10.0 Ranking Raman: Atomic Force Microscopy

    Atomic Force Microscopy

    Type Online Presentations
    Contributor(s) Arvind Raman
    Date 29 Nov. 2005
    Avg. Rating 5.0 out of 5 stars  (1)
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    Atomic Force Microscopy is has become an indispensible tool in nanoscience for the fabrication, metrology, manipulation and property characterization of nanostructures. In this tutorial, we will review the physics of the interaction forces between the nanoscale tip and sample, the dynamics ...

  • 10.0 Ranking Fisher: Understanding Phonon Dynamics via ...

    Understanding Phonon Dynamics via 1D Atomic Chains

    Type Online Presentations
    Contributor(s) Timothy S Fisher
    Date 28 Aug. 2006
    Avg. Rating 0.0 out of 5 stars  (0)
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    Phonons are the principal carriers of thermal energy in semiconductors and insulators, and they serve a vital role in dissipating heat produced by scattered electrons in semiconductor devices. Despite the importance of phonons, rigorous understanding and inclusion of phonon dynamics in simulations ...

  • 10.0 Ranking Sands: Nanotubes and Nanowires: ...

    Nanotubes and Nanowires: One-dimensional Materials

    Type Online Presentations
    Contributor(s) Timothy D. Sands
    Date 17 Jul. 2006
    Avg. Rating 5.0 out of 5 stars  (6)
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    What is a nanowire? What is a nanotube? Why are they interesting and what are their potential applications? How are they made? This presentation is intended to begin to answer these questions while introducing some fundamental concepts such as wave-particle duality, quantum confinement, the ...

  • 10.0 Ranking Cola: Highly Efficient Thermal ...

    Highly Efficient Thermal Transport: The Application of Carbon Nanotube Array Interfaces

    Type Online Presentations
    Contributor(s) Baratunde A. Cola
    Date 01 Feb. 2007
    Avg. Rating 5.0 out of 5 stars  (1)
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    Carbon nanotubes (CNTs) have received much attention in recent years for their extraordinary properties that through careful engineering may be leverage for the development of numerous advantageous applications. However, to date, only few CNT based applications exist in the market place. So when ...

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Courses

  • 10.0 Ranking Datta: Fundamentals of Nanoelectronics

    Fundamentals of Nanoelectronics

    Type Courses
    Contributor(s) Supriyo Datta, Behtash Behinaein
    Date 07 Dec. 2005
    Avg. Rating 5.0 out of 5 stars  (11)
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    Welcome to the ECE 453 lectures. The development of "nanotechnology" has made it possible to engineer material and devices on a length scale as small as several nanometers (atomic distances are ~ 0.1 nm). The properties of such "nanostructures" cannot be described in terms of macroscopic ...

  • 9.4 Ranking Datta: Quantum Transport: Atom to ...

    Quantum Transport: Atom to Transistor

    Type Courses
    Contributor(s) Supriyo Datta
    Date 07 Aug. 2006
    Avg. Rating 5.0 out of 5 stars  (21)
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    The development of "nanotechnology" has made it possible to engineer materials and devices on a length scale as small as several nanometers (atomic distances are ~ 0.1 nm). The properties of such "nanostructures" cannot be described in terms of macroscopic parameters like mobility and diffusion ...

Learning Modules

  • 8.2 Ranking Sinnott: Introduction to Carbon Nanotube ...

    Introduction to Carbon Nanotube Electronics

    Type Learning Modules
    Contributor(s) Susan Sinnott
    Date 12 Oct. 2005
    Avg. Rating 5.0 out of 5 stars  (8)
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    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 arranged in the CNT walls. The purpose of this learning module is to familiarize students with the basic ...

  • 5.9 Ranking Fodor: Bandstructure of Carbon Nanotubes ...

    Bandstructure of Carbon Nanotubes and Nanoribbons

    Type Learning Modules
    Contributor(s) James K Fodor, Seokmin Hong, Jing Guo
    Date 14 Jun. 2007
    Avg. Rating 0.0 out of 5 stars  (0)
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    This learning module introduces users to the Carbon-Nano Bands simulation tool, which simulates the bandstructure of Carbon Nanotubes (CNTs) and Nanoribbons (CNRs). To gives users a strong background in bandstructure, the module starts with sections that introduce bandstructure basics. To this ...

  • 5.6 Ranking Fodor: Introduction to CNTbands

    Introduction to CNTbands

    Type Learning Modules
    Contributor(s) James K Fodor, Jing Guo
    Date 28 Jun. 2007
    Avg. Rating 0.0 out of 5 stars  (0)
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    This learning module introduces nanoHUB users to the CNTbands simulator. A brief introduction to CNTbands is presented, followed by voiced presentations featuring the simulator in action. Upon completion of this module, users should be able to use this simulator to gain valuable insight into the ...

  • 5.6 Ranking Fodor: Introduction to FETToy

    Introduction to FETToy

    Type Learning Modules
    Contributor(s) James K Fodor, Jing Guo
    Date 03 Jul. 2007
    Avg. Rating 0.0 out of 5 stars  (0)
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    This learning module introduces nanoHUB users to the FETToy simulator. A brief introduction to FETToy is presented, followed by voiced presentations featuring the simulator in action. Upon completion of this module, users should be able to use this simulator to gain valuable insight into the ...

Teaching Materials

  • 10.0 Ranking Wong: Homework for Resonant Tunneling ...

    Homework for Resonant Tunneling Diodes

    Type Teaching Materials
    Contributor(s) H.-S. Philip Wong
    Date 06 Jan. 2006
    Avg. Rating 0.0 out of 5 stars  (0)
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    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 and two design problems, intended to teach students the electronic properties of resonant tunneling ...

  • 10.0 Ranking Grossman: Computational Nanoscience, Lecture ...

    Computational Nanoscience, Lecture 4: Geometry Optimization and Seeing What You're Doing

    Type Teaching Materials
    Contributor(s) Jeffrey Grossman, Elif Ertekin
    Date 13 Feb. 2008
    Avg. Rating 5.0 out of 5 stars  (1)
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    In this lecture, we discuss various methods for finding the ground state structure of a given system by minimizing its energy. Derivative and non-derivative methods are discussed, as well as the importance of the starting guess and how to find or generate good initial structures. We also briefly ...

  • 9.9 Ranking Grossman: Computational Nanoscience, Lecture ...

    Computational Nanoscience, Lecture 5: A Day of In-Class Simulation: MD of Carbon Nanostructures

    Type Teaching Materials
    Contributor(s) Jeffrey Grossman, Elif Ertekin
    Date 15 Feb. 2008
    Avg. Rating 5.0 out of 5 stars  (1)
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    In this lecture we carry out simulations in-class, with guidance from the instructors. We use the LAMMPS tool (within the nanoHUB simulation toolkit for this course). Examples include calculating the energy per atom of different fullerenes and nantubes, computing the Young's modulus of a nanotube ...

Animations

  • 10.0 Ranking Vargo: 3D Molecular Models

    3D Molecular Models

    Type Animations
    Contributor(s) Nicholas Vargo
    Date 26 Jun. 2007
    Avg. Rating 0.0 out of 5 stars  (0)
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    This animation was created as part of the Children's Museum Nanotechnology Exhibit to give the viewer an idea of what objects look like at the nano-level. The molecules range from something as small as caffeine to major proteins and viruses.Nicholas Vargo created this kiosk presentation as an ...

Publications

  • 10.0 Ranking Guo: Towards Multi-Scale Modeling of ...

    Towards Multi-Scale Modeling of Carbon Nanotube Transistors

    Type Publications
    Contributor(s) Jing Guo, Supriyo Datta, Mark Lundstrom, M. P. Anantram
    Date 21 Sep. 2006
    Avg. Rating 0.0 out of 5 stars  (0)
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    Multiscale simulation approaches are needed in order to address scientific and technological questions in the rapidly developing field of carbon nanotube electronics. In this paper, we describe an effort underway to develop a comprehensive capability for multiscale simulation of carbon ...

  • 10.0 Ranking Guo: Carbon Nanotube Electronics: ...

    Carbon Nanotube Electronics: Modeling, Physics, and Applications

    Type Publications
    Contributor(s) Jing Guo
    Date 30 Oct. 2006
    Avg. Rating 5.0 out of 5 stars  (3)
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    In recent years, significant progress in understanding the physics of carbon nanotube electronic devices and in identifying potential applications has occurred. In a nanotube, low bias transport can be nearly ballistic across distances of several hundred nanometers. Deposition of high-κ ...

Downloads

  • 10.0 Ranking Koswatta: MOSCNT: code for carbon nanotube ...

    MOSCNT: code for carbon nanotube transistor simulation

    Type Downloads
    Contributor(s) Siyu Koswatta, Jing Guo, Dmitri Nikonov
    Date 15 Nov. 2006
    Avg. Rating 0.0 out of 5 stars  (0)
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    Ballistic transport in carbon nanotube metal-oxide-semiconductor field-effect transistors (CNT-MOSFETs) is simulated using the Non-equilibrium Green’s function formalism. A cylindrical transistor geometry with wrapped-around gate and doped source/drain regions are assumed. It should be noted that ...

Workshops

  • 10.0 Ranking   2005 Molecular Conduction and ...

    2005 Molecular Conduction and Sensors Workshop

    Type Workshops
    Contributor(s)
    Date 25 May. 2005
    Avg. Rating 0.0 out of 5 stars  (0)
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    This is the 3rd in a series of annual workshops on Molecular Conduction. The prior workshops have been at Purdue University, W. Lafayette, IN (2003) and Nothwestern University, Evanston, IL (2004). The workshop has been an informal and open venue for discussing new results, key challenges, and ...

  • 7.9 Ranking   2004 Linking Bio and Nano Symposium

    2004 Linking Bio and Nano Symposium

    Type Workshops
    Contributor(s)
    Date 21 Jul. 2004
    Avg. Rating 0.0 out of 5 stars  (0)
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    Explore ways universities can work together in Bio-NanoTechnology. Discover research opportunities in this emerging area. Network with professionals and researchers who share common interests. Hear the latest on current research topics

  • 7.7 Ranking   2004 Molecular Conduction Workshop

    2004 Molecular Conduction Workshop

    Type Workshops
    Contributor(s)
    Date 05 Jan. 2005
    Avg. Rating 0.0 out of 5 stars  (0)
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    The tutorials supplied below were part of the Molecular Conduction Workshop held at Northwestern University in July of 2004.

  • 7.2 Ranking   SURI 2003 Conference

    SURI 2003 Conference

    Type Workshops
    Contributor(s)
    Date 21 Apr. 2004
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    2003 SURI Conference Proceedings

  • 4.6 Ranking   Mini-Workshop on Carbon-Nanotube ...

    Mini-Workshop on Carbon-Nanotube FETs

    Type Workshops
    Contributor(s)
    Date 13 May. 2003
    Avg. Rating 5.0 out of 5 stars  (1)
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    This informal one-day workshop was intended to discuss theory, modeling, and simulation for CNT-electronics, specifically FETs. The objective was to kick off an NSF-funded project on the modeling and simulatin of CNT-electronics. A small group of experimentalists, theorists, and computational ...

Notes

  • 0.0 Ranking   2003 Molecular Conduction Workshop ...

    2003 Molecular Conduction Workshop Agenda

    Type Notes
    Contributor(s)
    Date 13 Apr. 2004
    Avg. Rating 0.0 out of 5 stars  (0)
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    This workshop brought together leading groups in this field to discuss status and key challenges in molecular electronics. Both experimental and theoretical/modeling efforts were discussed.

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