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Nano Electro-Mechanical Systems (NEMS) are tiny
machines built at the nanometer scale. Current
NEMS applications are simple machines, such as
the tiny cantilever shown at the right. An electrical circuit measures the deflection
of the lever. A larger version of this device,
with dimensions at the micrometer or millimeter
scale, is commonly used as an airbag sensor in
automobiles. A sudden stop causes a strong
deflection of the lever, which signals that
the airbags should be deployed. At the nano
scale, such a lever is sensitive enough to
measure the weight of individual atoms or
molecules resting upon it.
Learn more about NEMS from the
resources available on this site, listed below.
Atomistic Modeling of the Mechanical Properties of Nanostructured Materials
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23 Apr 2007 | Online Presentations | 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...
Orientational Dependence of Friction in Polyethylene
16 Apr 2007 | Online Presentations | 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...
High-Aspect-Ratio Micromachining of Titanium: Enabling New Functionality and Opportunity in Micromechanical Systems Through Greater Materials Selection
09 Apr 2007 | Online Presentations | 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...
Fouling Mechanisms in Y-shaped Carbon Nanotubes
04 Apr 2007 | Online Presentations | 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...
MSE 376 Lecture 19: Nanoelectromechanical Systems, part 2
31 Mar 2007 | Online Presentations | Contributor(s): Mark Hersam
MSE 376 Lecture 18: Nanoelectromechanical Systems, part 1
VEDA: Dynamic Approach Curves
15 Mar 2007 | Tools | 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.
Nanonewton Podcasts at MIT
06 Mar 2007 | Downloads | 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...
Highly Efficient Thermal Transport: The Application of Carbon Nanotube Array Interfaces
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01 Feb 2007 | Online Presentations | 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...
RF MEMS: Passive Components and Architectures
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08 Jan 2007 | Online Presentations | Contributor(s): Dimitrios Peroulis
This seminar is an introduction to the MEMS technology as it
applies to RF and Microwave systems. Besides discussing several key RF
MEMS components (switches, varactors, inductors),...
14 Dec 2006 | Online Presentations | Contributor(s): John Enriquez
This is the fifth contribution from the students in the University of Texas at El Paso Molecular Electronics course given in the fall of 2006.
This introduces nanothermodynamics, the study of...
02 Oct 2006 | Tools | Contributor(s): Wen-Dung Hsu, SeongJun Heo, Jing Xu, Susan Sinnott
Reactive Empirical Bond-Order (REBO) potential is a many-body expression optimized for modeling covalently bonded materials, such as carbon and silicon, in large-scale atomistic simulations
21 Sep 2006 | Tools | Contributor(s): Kunal Shah, Patrick Chiu, Jing Xu, Susan Sinnott
Parallel Molecular Dynamics (MD) code that models surfactant structures in water and at liquid/solid interfaces.
Understanding Phonon Dynamics via 1D Atomic Chains
28 Aug 2006 | Online Presentations | 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....
Chemical Modification of GaAs with TAT Peptide and Alkylthiol Self-Assembled Monolayers
14 Aug 2006 | Online Presentations | Contributor(s): Hamsa Jaganathan
The use of self-assembled monolayers (SAM) on semiconductors creates a basis for the design and creation of bioelectronics, such as biosensors. The interface between the surface and an organic...
Nanotubes and Nanowires: One-dimensional Materials
17 Jul 2006 | Online Presentations | 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...
What is "Nanofluidics"? or The Nano-izing of Fluid Mechanics
28 Jun 2006 | Online Presentations | 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...
16 Jun 2006 | Tools | Contributor(s): Gang Li, Zhi Tang, Huijuan Zhao, Narayan Aluru
Compute the strain effects on the thermal properties of bulk crystalline silicon
16 Jun 2006 | Tools | Contributor(s): Gang Li, Yang Xu, Narayan Aluru
Compute the charge density distribution and potential variation inside a MOS structure by using a coarse-grained tight binding model