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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.
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08 Apr 2005 | Notes | Contributor(s): Narayan Aluru
In this talk, I will present our recent results on computational analysis of electric field mediated transport of liquids and electrolytes in nanochannels.
Computational Studies of Confined & Externally Flowing Gases on the Mechanical Properties of Carbon
08 Apr 2005 | Notes | Contributor(s): Susan Sinnott
Historically, molecular dynamics simulations have played an important role in elucidating the mechanical responses of carbon nanotubes to external forces. Here, they are used to explore the …
Electrochemical Gating and Molecular Adsorption on Carbon Nanotubes
08 Apr 2005 | Notes | Contributor(s): Moonsub Shim
Highly sensitive response of semiconducting single-walled carbon naotubes (SWNTs) to molecular adsorption provides a simple and effective direction in exploiting their unique electrical properties. …
Gated Chemical Transport through Vertically Aligned Carbon Nanotube Membranes
08 Apr 2005 | Notes | Contributor(s): Bruce Hinds
A promising architecture for ion-channel mimetics is a composite membrane structure containing vertically aligned carbon nanotubes, with inner core diameters of 7 nm, passing across a polystyrene …
Simulation of Multi-Technology Micro and Nano Systems
08 Apr 2005 | Notes | Contributor(s): Karti Mayaram
The simulation of a mixed-technology micro or nano system is an extremely challenging task because of the different types of on-chip components for sensing, actuation, data storage, and information …
Simulation of Sub-Micron Thermal Transport in Semi-Conduction and Dielectrics
08 Apr 2005 | Notes | Contributor(s): Jayathi Murthy
In recent years, there has been increasing interest in understanding thermal phenomena at the sub-micron scale. Applications have included the thermal performance of microelectronic devices, …
Synthesis & Mechanics of Nanostructures & Nanocomposites
08 Apr 2005 | Notes | Contributor(s): Rodney Ruoff
Synthesis Mechanics of Nanostructures Nanocomposites
System Approach to Control Cells
08 Apr 2005 | Notes | Contributor(s): Chih-Ming Ho
Nature has evolved extremely intelligent and complex adaptive systems for driving the processes of everyday life. For example, a cell fuses genetic processes with nanoscale sensors and actuators to …
Thermal Conductance of solid-Solid and Solid-Liquid Interfaces
08 Apr 2005 | Notes | Contributor(s): David G. Cahill
The thermal conductance of interfaces is a key factor in controlling thermal conduction in nanostructured materials, composites, and individual nanostructures. We have recently advanced the …
Unraveling the Behavior of Liquids at the Nanoscale
08 Apr 2005 | Notes | Contributor(s): Haim H. Bau
To better understand the transport of simple and complex liquids under extreme confinement conditions, our research group is conducting fluid flow experiments in conduits consisting of carbon …
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