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Detecting substances with swinging mirrors
As we know from the familiar sight of a rainbow, a spectrum always has a specific width between violet and red. As the spectrum fans out, in chemical analysis the light or radiation intensity must be measured at various points. One means to achieve this is by using a turning diffraction grid that works like a prism. The spectrum is then... view more... (2003-05-22)
Transforming Nanowires Into Nano-Tools Using Cation Exchange Reactions
A team of engineers from the University of Pennsylvania has transformed simple nanowires into reconfigurable materials and circuits, demonstrating a novel, self-assembling method for chemically creating nanoscale structures that are not possible to grow or obtain otherwise. view more (2009-10-26)
new structural view of organic electronic devices
Although still in the qualifying rounds, U.S. researchers are helping manufacturers win the race to develop low-cost ways to commercialize a multitude of products based on inexpensive organic electronic materials-from large solar-power arrays to electronic newspapers that can be bent and folded. view more (2005-09-13)
ORNL, Protein Discovery researchers collaborate on high-profile paper
A paper that outlines a new method to use a beam of light to trap protein molecules and make them dance in space has earned a place in the Proceedings of the National Academy of Sciences Early Edition. view more (2006-04-13)
Growing glowing nanowires to light up the nanoworld
The nano world is getting brighter. Nanowires made of semiconductor materials are being used to make prototype lasers and light-emitting diodes with emission apertures roughly 100 nm in diameter-about 50 times narrower than conventional counterparts. view more (2006-05-26)
Scientists create world's most efficient light-bulb
Scientists have successfully produced the most efficient light bulb ever - but on the microscopic scale. Researchers at Trinity College, Dublin have discovered a technique which significantly improves the output of light from quantum dots, and also allows their light to be focussed and manipulated easily. Their findings are published today in the... view more... (2003-08-27)
Oregon physicists don't flip spin but find possible electron switch
University of Oregon researchers trying to flip the spin of electrons with laser bursts lasting picoseconds (a trillionth of a second) instead found a way to manipulate and control the spin -- knowledge that may prove useful in a variety of new materials and technologies. view more (2008-05-28)
Caltech and IBM scientists use self-assembled DNA scaffolding to build tiny circuit boards
Scientists at the California Institute of Technology (Caltech) and IBM's Almaden Research Center have developed a new technique to orient and position self-assembled DNA shapes and patterns-or "DNA origami"-on surfaces that are compatible with today's semiconductor manufacturing equipment. view more (2009-08-18)
Tunable semiconductors possible with hot new material called graphene
Today's transistors and light emitting diodes (LED) are based on silicon and gallium arsenide semiconductors, which have fixed electronic and optical properties. view more (2009-06-11)
Testing miniature silicon chips
Many activities in our daily lives use products and devices based on silicon chips - from computers and televisions to medical equipment and defense systems. As these products and applications become increasingly complex and miniature, so must the chips. view more (2005-03-15)
A new spin on silicon
For about 40 years, the semiconductor industry has been able to continually shrink the electronic components on silicon chips, packing ever more performance into computers. view more (2005-08-02)
Beyond silicon: MIT demonstrates new transistor technology
MIT engineers have demonstrated a technology that could introduce an important new phase of the microelectronics revolution that has already brought us iPods, laptops and much more. view more (2006-12-11)
Fast quantum computer building block created
The fastest quantum computer bit that exploits the main advantage of the qubit over the conventional bit has been demonstrated by researchers at University of Michigan, U.S. Naval Research Laboratory and the University of California at San Diego. view more (2008-08-21)
Nanotube flickering reveals single-molecule rendezvous
In the quantum world, photons and electrons dance, bump and carry out transactions that govern everything we see in the world around us. view more (2007-06-08)
Graphene used to create world's smallest transistor
Researchers have used the world's thinnest material to create the world's smallest transistor, one atom thick and ten atoms wide. view more (2008-04-18)
Tiny avalanche photodiodes target bioterrorism agents
After the anthrax attacks in the United States in 2001 the threat of a larger and more deadly bioterrorism attack - perhaps from smallpox, plague or tularemia - became very real. But the ability to detect such biological agents and rapidly contain an attack is still being developed. view more (2005-09-14)
The shape of things to come
Instead of using a flat microchip as the light sensor for their new camera, a team of engineers has developed a sensor that is a flexible mesh of wire-connected pixels. view more (2008-08-07)
Never-before-made material similar to diamonds and ice, says UH professor
Not since the use of germanium in the first transistor radios and the discovery of its crucial role in semiconductor research more than 50 years ago has the study of this element garnered so much attention. view more (2006-11-29)
Electronic Materials Foresight
The electronic materials industry must be actively supported if the UK is to continue as a strong technology-based nation in the future. Two new reports published by the Institute of Materials today suggest that an UK electronics advisory board should be established in order to develop a robust, competitive and growing electronics sector. view more (1998-09-04)
Scientists grow 'nanonets' able to snare added energy transfer
Using two abundant and relatively inexpensive elements, Boston College chemists have produced nanonets, a flexible webbing of nano-scale wires that multiplies surface area critical to improving the performance of the wires in electronics and energy applications. view more (2008-09-03)
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