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Stories about: semiconductors


Carbon Nanotubes Get Sorted, Organized

Producing carbon nanotubes is easy - scientists cracked that secret more than a decade ago, albeit making them grow in an orderly fashion is somewhat more complicated. Or at least it was, because two teams of researchers have recently proven new methods through which carbon nanotubes can be sorted and organized so th...

9 July 2008
10:16 GMT

How LEDs Work

Light emitting diodes, or most commonly known as LEDs, are solid-state electronic devices used to produce light. Practically LEDs are a special type of diodes encased into tiny transparent plastic bulbs, which emit light when powered. Unlike traditional light bulbs and fluorescent tubes, LEDs do not use metal filamen...

9 April 2008
10:48 GMT

Electrons 100 Times Faster in Graphene

Graphene has a thermal conductivity fifty percent higher than that of carbon nanotube, and about 10 times higher than metals such as copper and aluminum. Better still, graphene combines both semiconductor and metal properties which make it ideal for a replacement for semiconductors currently used in computer chips. G...

24 March 2008
11:32 GMT

Forget About Knives, Use a Laser

Most of us regard lasers as some kind of weird devices that came from the future and are restricted only to scientific investigations, when in fact use lasers every day without even noticing. Infrared remote control? Laser powered, so is your compact disk player. Remember that the thin line of light scanning your pro...

18 March 2008
07:44 GMT

What Is a Quantum Dot?

I'm sure most of you have heard a few things about quantum dots in science news, however most of these never seem to present what a quantum dot really is. Quantum dots are usually constructed out of semiconductors and routinely studied in electronic devices such as transistors, light emitting diodes or laser dio...

3 March 2008
10:05 GMT

Hitachi Sells 8-Inch Fab to Chartered Semiconductor

Chartered Semiconductor has just announced having signed an agreement with Hitachi regarding the buyout of its 8-inch fab in Singapore for $233 million. The purchase is meant to expand Chartered's production capacity for eight-inch wafer semiconductors.The agreement between Chartered Semiconductor Manufacturing ...

15 February 2008
08:16 GMT

Austrian Chemist Finds Application for Infrared Technique in Nanotechnology

The study conducted by Thomas Lummerstorfer represents a review of one of his earlier papers into the study of solid-solid interfaces with the help of infrared spectroscopy techniques, which could not be tested experimentally until now. He previously predicted that with the help of a sandwich-like optical configurati...

13 February 2008
06:57 GMT

Micron to Report Operational Loss for Q4 of 2007

Micron Technologies has reported a quarterly loss after a full year of profit. The largest manufacturer of memory chips in the United States has been terribly affected by the free-falling prices that could not even cover the manufacturing costs.Previously, Micron reported first fiscal quarter net loss of $262 millio...

21 December 2007
10:47 GMT

Toshiba and Sharp Pair to Defend their Business

The two all-times Japanese rivals Toshiba and Sharp have reached an agreement upon enlarging their liquid crystal displays businesses, in order to fight the increasing competition in the flat-panel TV sector. According to both companies' presidents, Toshiba will purchase LCD panels from Sharp for TVs of 32 inch...

21 December 2007
10:17 GMT

IBM to Buy Embedded Flash License from Infineon

Infineon Technologies and IBM have reached an agreement upon the latter purchasing an embedded flash memory manufacturing process license. IBM is ready to deploy the 30-nm version of the process to the company's units in North America. At the same time, Infineon has announced that it would use the IBM foundry fo...

20 December 2007
10:36 GMT

Keep Your Computer Quiet with Hybrid Semiconductors

I think we have had enough of computers packed with tens of fans, all blowing air around like it's some kind army experiment to develop a new air turbine engine, and of worrying all the time about the possibility of the microprocessor fan dying on us, and ruining the chip. Most people think that the microproces...

20 December 2007
06:48 GMT

First Pure Spin Current Generated

The device used in order to generate the pure spin current, produced at the Naval Research Laboratory, modulates and electrically detects pure spin in silicon semiconductors, mostly used in electronic devices. A silicon n-type layer enables the generation of a spin current, with the help of magnetic contacts placed o...

6 December 2007
10:07 GMT

Thermoelectric Materials Promise Higher Energy Efficiency

Professor Mildred S. Dresselhaus from the Massachusetts Institute of Technology has brought back to life the old idea of designing materials that could be used for controlling temperatures, with extremely efficient electronic devices similar to the photovoltaic cells and electronic devices. The material works in effi...

21 November 2007
07:17 GMT

Future Computers Made with Biological Viruses?

They're not really functioning cybernetic organisms, but they may be a new step towards taking this concept from the sci-fi productions and bringing it to the real world. A new generation of electronics was now created by combining semiconductors with biological viruses, in what could be considered an environmen...

14 July 2007
04:52 GMT

40 Million Sold Windows Vista = RAM! RAM! RAM!

At the Windows Hardware Engineering Conference (WinHEC) 2007 in Los Angeles, on May 15, Microsoft Chairman Bill Gates applauded approximately 40 million sold Windows Vista licenses. "We've really been amazed at the customer response," Gates stated. "What's happened in the last 100 days has been beyond our e...

5 July 2007
11:52 GMT

Organic Semiconductors Made with Grease

Organic semiconductors have a good electrical conductivity, ranging between that of ordinary metals and that of insulating chemical compounds, but they have another advantage, given by their organic nature. Polyacetylene is a good example of organic semiconductors.Among future and present applications of these mate...

28 June 2007
09:06 GMT




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