Search results for semiconductor:
Turning heat to electricity... efficiently
Nov 18, 2009 |
4.8 / 5 (64) |
9
(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...
Innovation puts next-generation solar cells on the horizon
Dec 01, 2009 |
4.3 / 5 (29) |
12
In a world first, a Monash University-led international research team has developed an innovative way to boost the output of the next generation of solar cells.
New study confirms exotic electric properties of graphene
Nanotechnology / Nanomaterials
Nov 17, 2009 |
4.8 / 5 (23) |
1
(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...
Fujitsu Develops Technology for Low-Temperature Full-Service Direct Formation of Graphene Transistors on Large-Scale Sub
Nov 27, 2009 |
5 / 5 (21) |
4
Fujitsu Laboratories today announced, as a world first, the development of a novel technology for forming graphene transistors directly on the entire surface of large-scale insulating substrates at low temperatures ...
Spin polarization achieved in room temperature silicon
Nov 27, 2009 |
4.9 / 5 (18) |
0
(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, ...
Building a more versatile laser
Nov 16, 2009 |
4.5 / 5 (19) |
0
(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. ...
Plasma produces KO cocktail for MRSA
Nov 26, 2009 |
4.9 / 5 (16) |
3
MRSA (methicillin-resistant Staphylococcus Aureus) and other drug-resistant bacteria could face annihilation as low-temperature plasma prototype devices have been developed to offer safe, quick, easy and un ...
New 'finFETs' promising for smaller transistors, more powerful chips
Nov 10, 2009 |
4.9 / 5 (15) |
3
(PhysOrg.com) -- Purdue University researchers are making progress in developing a new type of transistor that uses a finlike structure instead of the conventional flat design, possibly enabling engineers ...
Researchers demonstrate 100-watt-level mid-infrared lasers
Dec 01, 2009 |
4.7 / 5 (12) |
0
Northwestern University researchers have achieved a breakthrough in quantum cascade laser output power, delivering 120 watts from a single device at room temperature.
IBM scientists create rapid disease diagnostic chip (w/ Video)
Chemistry / Analytical Chemistry
Nov 19, 2009 |
5 / 5 (11) |
0
IBM scientists have created a one-step point-of-care-diagnostic test, based on an innovative silicon chip, that requires less sample volume, is significantly faster, portable, easy to use, and can test for ...
Scientists synthesize graphene-like material: Polymer with honeycomb structure
Nanotechnology / Nanomaterials
Nov 19, 2009 |
4.4 / 5 (12) |
1
Two-dimensional carbon layers, so-called graphenes, are regarded as a possible substitute for silicon in the semiconductor industry. The electronic properties of these layers can be varied by "building in" ...
Selling chip makers on optical computing
Nov 24, 2009 |
4.6 / 5 (11) |
1
(PhysOrg.com) -- Computer chips that transmit data with light instead of electricity consume much less power than conventional chips, but so far, they've remained laboratory curiosities. Professors Vladimir ...
Research helps overcome barrier for organic electronics
Nanotechnology / Nanomaterials
Nov 10, 2009 |
4.9 / 5 (10) |
0
(PhysOrg.com) -- Electronic devices can't work well unless all of the transistors, or switches, within them allow electrical current to flow easily when they are turned on. A team of engineers has determined ...
Measuring Electron Orbitals
Nov 16, 2009 |
5 / 5 (8) |
0
(PhysOrg.com) -- For the first time, it has been possible to measure electron density in individual molecular states using what is known as the photoelectric effect. Now published in Science, this method repres ...
Fine-tuned: A wholly new approach to tuning a laser's frequency
Dec 04, 2009 |
4.4 / 5 (9) |
2
(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...
