Posts Tagged ‘semiconductors’

Doping graphene on edge 1,000x more potent

GEORGIA TECH (US) — Doping 2-D sheets of graphene on the edge is 1,000 times more efficient at producing electron carriers than doping on the surface, a new study shows. Continue…

Friday, December 9, 2011 12:22 - 0 Comments

Science & Technology - Nov 22, 2011 7:25 - 0 Comments

Sort nanotubes for better electronics

STANFORD (US) — A new technique could make semiconducting carbon nanotubes more commercially viable for use in printable circuits, bendable display screens, stretchable electronics, and solar technology. (more…)

Science & Technology - Nov 4, 2011 9:20 - 1 Comment

Room-temp qubit from semiconductor ‘defect’

UC SANTA BARBARA (US) — A recent discovery may place silicon carbide—a semiconductor commonly used by the electronics industry—at the center of quantum technologies designed for tasks such as ultrafast computing. (more…)

In new solar cells, quantum dots get cozy

U. TORONTO (CAN) — A new way to tightly pack quantum dots together has yielded the most efficient solar cell of its kind. (more…)

Science & Technology - Sep 14, 2011 12:07 - 0 Comments

Semiconductors sniff out nuclear weapons

NORTHWESTERN (US) — New materials that can detect hard radiation could lead to a handheld device for spotting nuclear weapons and materials, like those that could be used in a “nuclear bomb in a suitcase.” (more…)

Science & Technology - Aug 17, 2011 11:00 - 0 Comments

Organic semiconductors on fast track

STANFORD (US) — Researchers have created a new material for high-speed organic semiconductors in a way that may shorten the development timeline by months, if not years. (more…)

Science & Technology - Aug 8, 2011 9:54 - 0 Comments

Nanodiamonds: Circuitry’s best friend

VANDERBILT (US) — Computer chips and electronic circuitry made from diamonds operate faster with less power and could also be largely immune to radiation damage, like that seen at the Fukushima power plant after the Japanese tsunami. (more…)

Science & Technology - Jul 28, 2011 11:33 - 0 Comments

Ultrapure lattice lets electrons ‘dance’

PURDUE (US) — Researchers are observing new states of matter using a material made of a perfectly aligned lattice of gallium and arsenic atoms. (more…)

Science & Technology - May 17, 2011 12:29 - 0 Comments

Laser has more bang, less bulk

STANFORD (US) — In a push toward smaller, faster data transmission, researchers have produced a nanoscale laser that is much faster and vastly more energy efficient than anything available today. (more…)

Science & Technology - Mar 16, 2011 16:22 - 2 Comments

Terahertz superchips can do it all

CORNELL (US) — Terahertz radiation—currently used in airport body scanners—could prove instrumental in a wide range of medical and science applications, from detecting cancer and tooth decay to inspecting food through packaging. (more…)

Science & Technology - Mar 1, 2011 9:41 - 0 Comments

One layer triples solar cell prowess

STANFORD (US) — Adding a single layer of organic molecules less than a nanometer thick improves the efficiency of solar cells threefold and could possibly lead to less expensive, more efficient solar panels. (more…)

Science & Technology - Feb 18, 2011 11:51 - 0 Comments

Anti-lasers: Latest zap! technology

YALE (US) — Scientists have invented the world’s first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly cancel each other out. (more…)

Science & Technology - Jan 26, 2011 12:12 - 2 Comments

How to unleash metamaterials

CALTECH (US) — Metamaterials could be critical players in developing ultrapowerful microscopes, optical computers, and even an invisibility cloak—if scientists can figure out a way to overcome a few limitations. (more…)

Science & Technology - Dec 27, 2010 16:13 - 0 Comments

Transistor gives nanotech a new spin

TEXAS A&M (US) — Researchers have successfully developed a realistic spin-field-effect transistor that is operable at high temperatures. The design is based on an electron’s spin. (more…)

Science & Technology - Oct 28, 2010 12:03 - 0 Comments

Equation could advance OLED displays

U. MICHIGAN (US) — A new equation could do for organic semiconductors what the Shockley ideal diode equation did for inorganic semiconductors: help to enable their wider adoption. (more…)

Science & Technology - Oct 26, 2010 9:54 - 1 Comment

Bendable LEDs as biomedical tattoos

U. ILLINOIS (US) — It may soon be possible to implant tiny light emitting diodes (LEDs) under the skin for a wide range of biomedical applications, including health monitors and drug delivery. (more…)

Science & Technology - Oct 22, 2010 9:16 - 0 Comments

Plastic solar cells let sun in for less

RUTGERS (US) — Newly discovered properties could lead to efficient and inexpensive plastic solar cells for pollution-free electricity production. (more…)

Science & Technology - Jul 6, 2010 10:35 - 0 Comments

First 3-D image of sub-nano pores

CORNELL (US)—In the quest for faster and cheaper computers, scientists have imaged pore structures in insulation material at sub-nanometer scales for the first time. (more…)

Science & Technology - Jun 21, 2010 15:21 - 2 Comments

Can quantum dots stop heat loss in solar cells?

U. MINNESOTA (US)—Researchers have cleared a major hurdle in the drive to build solar cells with potential efficiencies up to twice as high as current levels, which rarely exceed 30 percent. (more…)

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