Charging ahead: University of Houston team revealing secrets of electricity-producing materials
... materials convert mechanical energy into electrical
energy, Sharma explains.
"Indeed, gas ... piezoelectric nanodevices will also generate an electrical
current in response to mechanical stimuli. Then, ... professor Ken White recently reported that the electrical
activity caused by flexoelectricity also affects ...
Brown engineering professor wins prestigious White House award
... Brown faculty in 2006 after earning his Ph.D. in electrical
engineering at Stanford University. He attended ... where he earned a combined degree in electrical
engineering and English literature.
Zia's ... because it studies the direct connection between electrical
devices (those that use charge) and photonic ...
Bilayer graphene gets a bandgap
... a perpendicularly applied, continuously tunable electrical
field. But when such a field is applied with a ... to measure the bandgap by measuring the device's electrical
resistance, or transport, they decided to measure ... through the device. As the researchers tuned the electrical
fields by precisely varying the voltage of the ...
New MIT radio chip mimics human ear
Rahul Sarpeshkar, associate professor of electrical
engineering and computer science, and his ... signal processing to convert sound waves into electrical
signals that are sent to the brain.
As sound ... ear, activating hair cells (cells that cause electrical
signals to be sent to the brain). The cochlea can ...
A billion-year ultra-dense memory chip
... human hair, that in the presence of a low voltage electrical
current can be shuttled back and forth inside a ... be read out directly via a simple measurement of electrical
resistance, allowing the shuttle to function as a ... environmental contamination."
The low voltage electrical
write/read capabilities of the memory element in ...
Inexpensive plastic used in CDs could improve aircraft, computer electronics
... his research team have demonstrated ultra-high electrical
conductive properties in plastics, called ... plastic. That means its ability to carry an electrical
charge is as good as a tree, which is pretty ... optical and mechanical properties, but also good electrical
characteristics. By being able to tailor the ...
Nanophysicists find unexpected magnetic effect
... when it comes to predicting the behavior of electrical
contacts that are just one atom wide.
In new ... in fewer vibrations among atoms, and thus less electrical
resistance, mobile electrons in the metals tend ... why even tiny magnetic impurities can cause electrical
resistance to rise, in spite of further cooling. ...
University of Maryland Announces Finalists for $75K Business Plan Competition
Team: Marty Peckerar, professor, department of electrical
and computer engineering; Neil Goldsman, professor, department of electrical
and computer engineering; Zeynep Dilli, research associate, department of electrical
and computer engineering; Josekuttan ...
MIT: New material could lead to faster chips
... meaning it is capable of taking an incoming electrical
signal of a certain frequency for example, the ... assistant professor in MIT's Department of electrical
Engineering and Computer Science and a core ... discovered, and also has a number of unsurpassed electrical
properties, such as "mobility" the ease with ...
Hebrew University scientist develop technique for eliminating reblockage of arteries
... special training of the medical team.
In IRE, electrical
fields are applied across targeted cells, ... This process leads to cell death, since the electrical
fields cause permanent damage to the membranes and the consequent loss of cell stability. The electrical
fields damage only the cell membranes, with no ...
Nanotubes find niche in electric switches
... could significantly improve the performance of electrical
commutators that are common in electric motors ... an integral part of "commutators," or spinning electrical
switches used in many battery-powered electrical
devices, such as cordless drills.
Researchers discover a potential on-off switch for nanoelectronics
... with a single molecule. Their findings reveal the electrical
resistance through this junction can be turned ... up' individual molecules and measuring their electrical
conductance," said Neaton. "Forming reliable contacts between nanostructures and 'alligator clip' electrical
leads is extremely challenging. This made ...
Engineers tune a nanoscale grating structure to trap and release a variety of light waves
... transmit data with much greater speed than do electrical
signals, says Qiaoqiang Gan, a Ph.D. candidate at ... and route data without needing to be converted to electrical
signals and back.
To enable light waves to ... adviser, Filbert J. Bartoli, department chair of electrical
and computer engineering, made a major ...
Nanogenerators produce electricity from running rodents and tapping fingers
... of Technology researchers have also generated electrical
current from a tapping finger moving the users ... can convert any mechanical disturbance into electrical
The demonstrations of harnessing ... materials such as zinc oxide wires produce electrical
charges when they are bent and then relaxed. The ...
Domain walls that conduct electricity
... found that between domains having different electrical
polarization, the domain walls themselves just ... familiar metals or semiconductors, the basic electrical
and magnetic properties of complex materials are ... but surprisingly, certain domain walls exhibited electrical
conductivity. Their conductivity depended on the ...
Easy assembly of electronic biological chips
... accurately," says Theresa S. Mayer, professor of electrical
engineering and director of Penn State's ... wish to place the nanowires. They then apply an electrical
field between electrodes that define the area ... proteins, and move from fluorescence to real-time electrical
detection on the chip," says Keating.
Paperwork: Buckypapers clarify electrical, optical behavior of nanotubes
... (SWCNTs) have attracted much attention as tiny electrical
conductors. Relatively small concentrations of ... normally insulating polymer film to a transparent electrical
conductor. Potential applications range from transparent electrical
shielding materials to futuristic flexible video ...
New knowledge about thermoelectric materials could give better energy efficiency
... which can transform the thermal difference to electrical
energy or vice versa electrical
current to cooling. An effective utilization ... low thermal conductivity without degrading the electrical
properties. This can be crucial for the ...
Engineers aim to solve 'burning' computer problem
... professor in the Charles L. Brown Department of electrical
and Computer Engineering. "The prediction is that ... hotter unit to a cooler one in this case between electrical
computer components until both have roughly the ... could be engineered to convert non-equilibrium electrical
activity into directed motion, allowing energy to ...
New graphene-based material clarifies graphite oxide chemistry
... of wind turbines for improved generation of electrical
power, as critical components in nanoelectronics ... speeds but very low power consumption, for electrical
energy storage in batteries and supercapacitors ... Emanuel Tutuc and Bhagawan Sahu (Department of electrical
and Computer Engineering) and Gyeong Hwang ...
New carbon material shows promise of storing large quantities of renewable electrical energy
... as a new carbon-based material for storing electrical
charge in ultracapacitor devices, perhaps paving ... form of carbon.
"Through such a device, electrical
charge can be rapidly stored on the graphene ... released from them as well for the delivery of electrical
current and, ...
Understanding the science of solar-based energy: more researchers are better than one
... that captures sunlight and converts it to an electrical
charge. The interaction of the system's electrical
charge and an oxygen catalyst produce oxygen gas ... charged hydrogen ions or protons from water. The electrical
charge, in combination with a hydrogen catalyst ...
'Racetrack' for fast electrons in semiconductor structures
... In order to realize the electrical
units of voltage, resistance and current with ... With this, PTB extends its leading position in electrical
quantum metrology with semiconductor structures. ... material for computer and home electronics. In electrical
quantum metrology semiconductor devices are used ...
Bioheart, Inc., Announces Letter of Intent to Acquire MEDICALGORITHMICS, Ltd.
... on the
ECG, doctors can determine how long the electrical
wave takes to pass
through the heart, which indicates whether the electrical
normal or slow, fast or irregular. ... ECGs enable physicians to
measure the amount of electrical
activity that passes through the heart
... nanotube that is double-walled to provide uniform electrical
properties and increased rigidity. One tip of the ... electrodes. Applying a DC bias creates a negative electrical
charge on the free tip of the nanotube. An ... tip of the nanotube and detecting the resulting electrical
Using their NEMS mass sensor, Zettl, ...
Using a grating with a grade, engineers trap a rainbow
... says Qiaoqiang Gan, a Ph.D. candidate in electrical
engineering at Lehigh University in Bethlehem, ... data with greater speed and control than do electrical
signals, which are hindered by the mobility of ... to the integration of optical structures with electrical
"For that reason, the dream now among ...
Detecting dangerous chemicals with lasers, exploring the brain's circuitry with light and more
... within or near single neurons to probe their electrical
activity. Though well established, this method is invasive and often noisy because of background electrical
activity in the brain. A number of alternative ... culture and shown that they can measure the electrical
activity of live neurons. The technique takes ...
Quantum computing breakthrough arises from unknown molecule
... been a dream," says Gerhard Klimeck, professor of electrical
and computer engineering at Purdue University and ... the quantum state with an externally applied electrical
The discovery began when Sven Rogge ... is that it occurs as an artifact when we apply electrical
current across the transistor and hence can be ...
UC San Diego nanostructures will raise thin-film solar cell efficiency
... light, University of California, San Diego electrical
engineers are working toward thin-film single ...
In November 2007, a team of Jacobs School electrical
engineers led by professor Edward Yu won an ... Investigator on the three-year DOE grant.
engineering professors Paul Yu and Deli Wang are ...
Nanowires may boost solar cell efficiency, UC San Diego engineers say
... University of California, San Diego electrical
engineers have created experimental solar cells ... the forward bias current which is a measure of electrical
current by six to seven orders of magnitude as ... author of the NanoLetters paper, and a recent electrical
engineering Ph.D. from UC San Diegos Jacobs ...
Engineers harness cell phone technology for use in medical imaging
... upon pressure waves.
The researchers chose electrical
impedance tomography (EIT) to demonstrate the ... upon the principle that diseased tissue transmits electrical
currents differently than does healthy tissue. The difference in resistance to electrical
currents is translated into an image.
Researchers develop method for transmitting medical images via cell phones
... at the patient site.
The researchers chose electrical
impedance tomography (EIT) to demonstrate the ... upon the principle that diseased tissue transmits electrical
currents differently from healthy tissue. The difference in resistance from electrical
currents is translated into an image, which can ...
Carbon nanotubes made into conductive, flexible 'stained glass'
... mechanical, thermal, chemical, optical and electrical
Now researchers at Northwestern ... have produced carbon nanotubes with uniform electrical
and optical properties. Thin films formulated ... these carbon nanotube thin films possess high electrical
conductivity and mechanical flexibility. The ...
Memory in artificial atoms
... components, while the media of computing is electrical
signals. The discovery of the scientists at ... says:
We are the first to obtain direct electrical
control of the smallest magnets in nature, one ... on the nanotube as an artificial atom.
control over a single electron spin has been ...
U-Md. Researchers Report Advance in Biological Microfactories for Drug Research
... biomolecular engineering, materials science,
and computer engineering at the University of ... researchers to manipulate substances using
and optical means. For instance, the researchers ... associate
professor with the Clark School's electrical
and computer engineering
department and ISR; and ...
The future of computing -- carbon nanotubes and superconductors to replace the silicon chip
... other is needed for a specific component. These electrical
properties depend on the precise arrangement of ... an individual nanotubes structure (and thus its electrical
properties), and then allow it to be placed in a ... materials that conduct electricity with zero electrical
resistance can harness the power of quantum ...
UM physicists show electrons can travel over 100 times faster in graphene than in silicon
... bounce off these vibrating atoms, giving rise to electrical
resistance. This electrical
resistance is "intrinsic" to the material: it ... fewer electrons than copper, so in graphene the electrical
current is carried by only a few electrons moving ...
News from the March 2008 American Physical Society Meeting
... (Tc) superconductors - materials that conduct electrical
current with no resistance below a certain ... superconductor with a particular arrangement of electrical
charges known as "stripes." The finding was ... make them more practical for applications such as electrical
"As electricity demand ...
Physicists discover gold can be magnetic on the nanoscale
... on the nanoscale. They found that applying an electrical
field on a surface-supported gold nanocluster ... new and surprising, chemical, mechanical, electrical
and magnetic behavior, which could not have been ... uses in nanocatalysis and as chemical and electrical
sensors, Landman added.
For the first study, ...
'Two-Faced' Particles Act Like Tiny Submarines
... move like stealthy
submarines when an alternating electrical
field is applied to liquid
surrounding the ... says the micrometer-sized particles convert the electrical
into liquid motion around them and then ... powered electrodes -- not in the
direction of the electrical
field, as would be expected. The particles