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Dendrimer-Templated Catalyst for Controlled Growth of Single-Wall Carbon Nanotubes by Plasma-Enhanced CVD
Online Presentations | 20 Feb 2007 | Contributor(s):: Placidus Amama
Carbon nanotubes (CNTs) are an important class of materials with several technological applications because they possess unparalleled properties in terms of ballistic electrical conductivity, thermal conductivity, tensile strength, and sensitivity to chemical and biological agents. To exploit...
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SPMW Nanotube, nanoneedle and nanomeniscus: mechanical and wetting properties of modified AFM tip apex
Online Presentations | 12 Dec 2006 | Contributor(s):: J. P. Aimé
Among AFM microscopes, Dynamic force microscopes (DFM) are very sensitive to variation of minute forces involved in the interaction between the tip and the surface. However, despite numerous efforts, imaging and probing mechanical properties of soft materials in air and water at the nm scale are...
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SPMW Nanomechanics: from nanotechnology to biology
Online Presentations | 12 Dec 2006 | Contributor(s):: Elisa Riedo
The development of new materials with size of few nanometers has opened a new field of scientific and technological research. The goal is to develop faster and better communication systems and transports, as well as smarter and smaller nanodevices for biomedical applications. To reach these...
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Highly Efficient Thermal Transport: The Application of Carbon Nanotube Array Interfaces
Online Presentations | 01 Feb 2007 | Contributor(s):: Baratunde A. Cola
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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Nanotechnology and Occupational Safety and Health: What are the Issues, What do we know, and What is NIOSH Doing
Online Presentations | 21 Nov 2006 | Contributor(s):: Chuck L Geraci
Nanotechnology and Occupational Safety and Health: What are the Issues, What do we know, and What is NIOSH Doing
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Nanoelectronic Architectures
Online Presentations | 24 Feb 2005 | Contributor(s):: Greg Snider
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...
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Understanding Phonon Dynamics via 1D Atomic Chains
Online Presentations | 04 Apr 2006 | Contributor(s):: Timothy S Fisher
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...
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Electrodeposition of Palladium as an Ohmic Contact for Single-Walled Carbon Nanotubes
Online Presentations | 03 Aug 2006 | Contributor(s):: Brent Penque, David Janes
Carbon nanotubes are being researched extensively for their unique conductive properties. Controlled growth of vertical single-walled carbon nanotubes, however, has not yet been possible. This presentation reports a way to synthesize vertical single-walled carbon nanotubes that can be used for...
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Nanotubes and Nanowires: One-dimensional Materials
Online Presentations | 17 Jul 2006 | Contributor(s):: Timothy D. Sands
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...
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What is "Nanofluidics"? or The Nano-izing of Fluid Mechanics
Online Presentations | 28 Jun 2006 | Contributor(s):: Steve Wereley
Micro- and nanoscaled fluid mechanics are rapidly emerging as important supporting fields in biomedical technology, nanotechnology, etc., as well as being important fields of study in their own right. Despite the common use of these terms in the literature, the fluid behavior at these small...
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Logic Devices and Circuits on Carbon Nanotubes
Online Presentations | 05 Apr 2006 | Contributor(s):: Joerg Appenzeller
Over the last years carbon nanotubes (CNs) have attracted an increasing interest as building blocks for nano-electronics applications. Due to their unique properties enabling e.g. ballistic transport at room-temperature over several hundred nanometers, high performance CN field-effect transistors...
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EDA Challenges in Nanoscale Design: A Synopsys Perspective
Online Presentations | 11 Apr 2006 | Contributor(s):: Rich Goldman
Rich Goldman gives an overview of the current state ofthe semiconductor and EDA (Electronic Design Automation) industry with aspecial focus on the impact of nanometer scale design on design tools andthe economics of the industry.
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The Long and Short of Pick-up Stick Transistors: A Promising Technology for Nano- and Macro-Electronics
Online Presentations | 11 Apr 2006 | 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 work in developing a comprehensive theoretical framework to describe the performance of these "pick-up...
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Molecular Dynamics Studies of Gaseous Transport
Online Presentations | 05 Apr 2006 | 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 the effects of diameter and chirality on transport mode. Both oxygen and methane were diffused through...
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Thermal Microsystems for On-Chip Thermal Engineering
Online Presentations | 04 Apr 2006 | 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 for this application area are discussed, with specific examples including a novel micromechanical...
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Tribological Properties of Carbon Nanotube Bundles
Online Presentations | 03 Apr 2006 | 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 with C60 is placed between two hydrogen-terminated amorphous diamond-like carbon(DLC) substrates. The...
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The Effect of Temperature Control on the Mechanical Behavior of Carbon Nanotubes
Online Presentations | 29 Mar 2006 | 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 (MD) simulations. In particular, the influence of different types of thermostats, relative numbers of...
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Irradiation and Nanomechanics of Multi-Walled Carbon Nanotubes
Online Presentations | 23 Mar 2006 | Contributor(s):: Sharon 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 studies to investigate the low-energy electron and ion (Ar and CF3) beam irradiation of triple walled...
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Engineering the Fiber-Matrix Interface in Carbon Nanotube Composites
Online Presentations | 23 Mar 2006 | Contributor(s):: Sharon 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 the high density of molecules impacting the surface. Previous simulations have shown that particle...
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Bending Properties of Carbon Nanotubes
Online Presentations | 21 Mar 2006 | 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 (MD) simulations. In particular, influences of different filling materials like C60 or other CNT...