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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.
Computational Studies of Confined & Externally Flowing Gases on the Mechanical Properties of Carbon
0.0 out of 5 stars
09 May 2005 | Presentation Materials | 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
09 May 2005 | Presentation Materials | 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...
Gated Chemical Transport through Vertically Aligned Carbon Nanotube Membranes
09 May 2005 | Presentation Materials | 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
09 May 2005 | Presentation Materials | 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...
Simulation of Sub-Micron Thermal Transport in Semi-Conduction and Dielectrics
09 May 2005 | Presentation Materials | 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,...
System Approach to Control Cells
09 May 2005 | Presentation Materials | 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...
Thermal Conductance of solid-Solid and Solid-Liquid Interfaces
09 May 2005 | Presentation Materials | 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
09 May 2005 | Presentation Materials | 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...
Nanotechnology-Enabled Direct Energy Conversion
05 Apr 2005 | Online Presentations | Contributor(s): Gang Chen
Energy transport in nanostructures differs significantly from macrostructures because of classical and quantum size effects on energy carriers such as on phonons, electrons, photons, and...
Self-Heating and Scaling of Silicon Nano-Transistors
5.0 out of 5 stars
07 Mar 2005 | Online Presentations | Contributor(s): Eric Pop
The most often cited technological roadblock of nanoscale electronics is the "power problem," i.e. power densities and device temperatures reaching levels that will prevent their reliable...
Nanotechnology 501 Lecture Series
22 Feb 2005 | Series | Contributor(s): Gerhard Klimeck (editor), Mark Lundstrom (editor), Joseph M. Cychosz (editor)
Welcome to Nanotechnology 501, a series of lectures designed to provide an introduction to nanotechnology. This series is similar to our popular lecture series Nanotechnology 101, but it is...
Lecture 4: Sensing Methodologies (cont), Integrated BioMEMS and Nanodevices
07 Feb 2005 | Online Presentations | Contributor(s): Rashid Bashir
Lecture 3: Microfluidic Transport (cont), Sensing Methodologies
Lecture 2: Essentials of Microbiology, Introduction to Microfluidics
Lecture 1: Introduction, Device Fabrication Methods, DNA and Proteins
4.0 out of 5 stars
28 Dec 2004 | Workshops
The Network for Computational Nanotechnology (NCN) held a workshop entitled Challenges and Opportunities in the Development of Nanoelectromechanical Systems on April, 8, 2005. The workshop was...
Single Electron Switching with Nano-Electromechanical Systems and Applications in Ion Channel Transport
4.5 out of 5 stars
13 Dec 2004 | Online Presentations | Contributor(s): Robert Blick
Taking classes in physics always starts with Newtonian mechanics. In reducing the size of the objects considered however the transition into the quantum mechanical regime has to occur. The...
Bioinformatics and Systems Biology: At the Crossroads of Biology, Engineering, and Computation
12 Dec 2004 | Online Presentations | Contributor(s): Shankar Subramaniam
Traditional biological research has relied on a "deconstructive" mode where piece-wise analysis of the components of complex systems was carried out in detail. The genome projects have spurred the...
Computational Prototyping Tools For Biological Applications
12 Dec 2004 | Online Presentations | Contributor(s): Jacob White
Computational tools are playing a rapidly expanding role in biology, both for engineering design and in exploratory science. The main reason is that the dramatic improvements in the measurement...
Construction of an Imitating Nano-motor Driven by Six ATP-binding RNAs of Bacterial Virus phi29
12 Dec 2004 | Online Presentations | Contributor(s): Peixuan Guo
A switchable imitating DNA-packaging motor was constructed in the laboratory. The motor is driven by six synthetic ATP-binding pRNA (packaging RNA) molecules that bind to the connector and...