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An Experimentalists’ Perspective
Online Presentations | 19 Dec 2007 | Contributor(s):: Arunava Majumdar
This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.
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Plastic Deformation at Micron and Submicron Scales
Online Presentations | 28 Nov 2007 | Contributor(s):: Marisol Koslowski
Most people experiences the way objects plastically deform on a macroscopic scale. From a car crash to the bending of a paper clip plastic deformation occurs in the form of a smooth flow as a response of an applied stress. But due to the constant shrinking on the dimensions of mechanical devices...
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Microscale Ionic Wind for Local Cooling Enhancement
Online Presentations | 26 Oct 2007 | Contributor(s):: David B Go
As the electronics industry continues to develop small, highly functional, mobile devices, new methods of cooling are required to manage the thermal requirements of the not only the chip but the entire system. Comfortable skin temperatures, small form factors, and limited power consumption are...
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Introduction of MEMS Activity at Nano/Micro System Engineering Lab., Kyoto University
Online Presentations | 15 Sep 2007 | Contributor(s):: OSAMU TABATA
We are aiming at the realization of microsystems and nanosystems with novel and unique functions by integrating functional elements in different domains such as mechanics, electronics, chemistry, optics and biotechnology. These micro/nano systems are expected to be novel machines, which will...
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Selective Silicon Epitaxy Seen at the Nanometer Scale
Online Presentations | 14 Jun 2007 | Contributor(s):: Matthew Mark Sztelle
The presenter introduces NEMS (nanoelectromechanical systems) and STM (Scanning Tunneling Microscopy and continues to present material on Selective Silicon Epitaxy seen at the Nanometer ScaleMatthew M. Sztelle is a Research Assistant in the Scanning Tunneling Microscopy Group at the Beckman...
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Piezoelectric Transducers: Strain Sensing and Energy Harvesting (and Frequency Tuning)
Online Presentations | 15 Jun 2007 | Contributor(s):: Toshikazu Nishida
Acoustic pressure or mechanical force sensing via piezoelectric coupling is closely related to the harvesting of electrical energy from acoustical and mechanical energy sources. In this talk, mesoscale and microscale piezoelectric transducers for acoustic and vibrational sensing and energy...
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SUGAR: the SPICE for MEMS
Online Presentations | 21 May 2007 | Contributor(s):: Jason Clark
In this seminar, I present some design, modeling, and simulation features of a computer aided engineering tool for microelectromechanical systems (MEMS) called SUGAR. For experimental verification, I use a microdevice that is difficult to simulate with conventional MEMS software. I show that...
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Electron Emission from Nanoscale Carbon Materials
Online Presentations | 15 May 2007 | Contributor(s):: Timothy S Fisher
Prior studies on electron emission show possibly beneficial effects ofnanoscale phenomena on energy-conversion characteristics. For example,recent work has shown that the electric field around a nanoscale fieldemission device can increase the average energy of emitted electrons. Weconsider here...
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Atomistic Green's Function Method 1-D Atomic Chain Simulation
Tools | 16 Apr 2007 | Contributor(s):: Zhen Huang, Wei Zhang, Timothy S Fisher, Sridhar Sadasivam
Calculation of Thermal Conductance of an Atomic Chain
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BNC Annual Research Symposium: Bio-Nanotechnology and Biomedical Devices
Online Presentations | 23 Apr 2007 | Contributor(s):: Rashid Bashir
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 upcoming year.
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BNC Annual Research Symposium: Nanoscale Energy Conversion
Online Presentations | 23 Apr 2007 | Contributor(s):: Timothy S Fisher
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 upcoming year.
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Atomistic Modeling of the Mechanical Properties of Nanostructured Materials
Online Presentations | 16 Apr 2007 | Contributor(s):: SeongJun Heo, Susan Sinnott
The mechanical properties of carbon nanotubes are studied by using classical molecular dynamics simulations. Especially, the effects of filling, temperature, and functionalization on CNT's tensional and twisting properties are considered in this study.
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Orientational Dependence of Friction in Polyethylene
Online Presentations | 16 Apr 2007 | Contributor(s):: SeongJun Heo
The frictional properties of polyethylene polymer are investigated by using classical molecular dynamics simulations. Especially, the sliding orientational effect is considered in this study. The results of polyethylene are also compared to those of polytetrafluoroethylene(PTFE).
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High-Aspect-Ratio Micromachining of Titanium: Enabling New Functionality and Opportunity in Micromechanical Systems Through Greater Materials Selection
Online Presentations | 09 Apr 2007 | Contributor(s):: Masa Rao
Traditionally, materials selection has been limited in high-aspect-ratio micromechanical applications, due primarily to the predominance of microfabrication processes and infrastructure dedicated to silicon. While silicon has proven to be an excellent material for many of these applications, no...
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Fouling Mechanisms in Y-shaped Carbon Nanotubes
Online Presentations | 04 Apr 2007 | Contributor(s):: Jason Myers, SeongJun Heo, Susan Sinnott
In the modern pharmaceutical and chemical industries, solutions of extremely high purity are needed. Current filtration methods are reaching the limits of their abilities, so new filters must be developed. One possible filter is a Y-shaped carbon nanotube (Y-tube). By changing the sizes of the...
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MSE 376 Lecture 19: Nanoelectromechanical Systems, part 2
Online Presentations | 31 Mar 2007 | Contributor(s):: Mark C. Hersam
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MSE 376 Lecture 18: Nanoelectromechanical Systems, part 1
Online Presentations | 31 Mar 2007 | Contributor(s):: Mark C. Hersam
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VEDA: Dynamic Approach Curves
Tools | 15 Mar 2007 | Contributor(s):: John Melcher, Shuiqing Hu, Steven Douglas Johnson, Daniel Kiracofe, Arvind Raman
This tool is being replaced by VEDA 2.0. Use that tool instead.
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Nanonewton Podcasts at MIT
Downloads | 06 Mar 2007 | Contributor(s):: Jeremy Brittan
Listen to podcast discussions with scientists and MIT students in the field of Nanomechanics in conjunction with the Spring 2007 MIT undergraduate engineering course: 3.052 Nanomechanics of Materials and Biomaterials. Your host: Professor Christine Ortizmore info at:...
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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...