Posts Tagged ‘electrons’
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. Continue…
Thursday, July 28, 2011 11:33 - 0 Comments
Science & Technology - Jul 5, 2011 9:55 - 2 Comments
Tug-of-war gives electrons new spin
U. BUFFALO (US) — At very small scales, it may be possible to create quantum dots that are magnetic, even if their electrons have opposing spins. (more…)
Science & Technology - Feb 7, 2011 12:34 - 0 Comments
Uber-efficient solar cells from nano
UC DAVIS (US) — A new approach to solar power using nanoparticles aims to increase efficiency by generating several electrons from a single proton, instead of the “one in, one out” principle that conventional solar cells operate on. (more…)
Science & Technology - Dec 17, 2010 15:22 - 1 Comment
How to create something from nothing
U. MICHIGAN (US) — Under just the right conditions—which involve an ultra-high-intensity laser beam and a two-mile-long particle accelerator—it could be possible to generate matter and antimatter from a vacuum. (more…)
Science & Technology - Oct 18, 2010 17:41 - 0 Comments
Control quantum states with laser light
COLORADO (US) — Physicists have succeeded in combining laser light with trapped electrons to detect and control the electrons’ fragile quantum state without erasing it. (more…)
Science & Technology - Sep 16, 2010 11:13 - 0 Comments
Cracking the chemistry of organic batteries
U. TEXAS-AUSTIN (US)—The discovery of a new way to pass electrons back and forth between two molecules could push forward development of organic batteries—lightweight energy storage devices that work without the need for toxic heavy metals. (more…)
Science & Technology - Aug 6, 2010 13:14 - 0 Comments
New model gives quantum theory a shove
SYRACUSE U. (US)—Physicists recently developed a new theoretical model to explain how, under certain rare conditions, more than one electron can simultaneously occupy the same quantum state. (more…)
Science & Technology - Jul 20, 2010 11:58 - 0 Comments
Faster circuits with superhero electrons?
PRINCETON (US)—On a quest to discover new states of matter, a team of scientists has found that electrons on the surface of specific materials act like miniature superheroes. (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…)
Science & Technology - Jun 9, 2010 14:51 - 1 Comment
Dawdling electrons move at their own pace
CORNELL (US)—Scientists for the first time have produced images of “heavy fermions”—electrons that move through a conductor as if their mass were up to 1,000 times what it should be. (more…)
Health & Medicine - May 20, 2010 17:39 - 1 Comment
Bad air has lingering effect on heartbeat
PENN STATE(US)—Breathing combustion-related particles that are in diesel and coal combustion, as well as in oil, gas, and wood combustion used for cooking and heating, places stress on the heart’s regulation capacity for up to six hours, which in turn may contribute to cardiovascular disease. (more…)
Science & Technology - May 19, 2010 13:06 - 0 Comments
How the body moves electricity efficiently
U. MINNESOTA (US)—Researchers have created a molecular image of a system that moves electrons between proteins in cells. The work could provide insights to minimize energy loss in other systems, from nanoscale devices to moving electricity around the country. (more…)
Science & Technology - May 12, 2010 10:47 - 0 Comments
Another nail in the silicon chip coffin
MCGILL U. (CAN)—Physicists have developed a system for measuring the energy involved in adding electrons to semi-conductor nanocrystals, also known as quantum dots—a technology that may revolutionize computing and other areas of science. (more…)
Science & Technology - Feb 26, 2010 13:23 - 0 Comments
Taking hypothetical materials for a test drive
PRINCETON (US)—A breakthrough in an 80-year-old quandary in quantum physics could allow engineers to predict important characteristics of a new material before it’s been created. (more…)
Science & Technology - Feb 10, 2010 11:22 - 1 Comment
Waves of electrons on the verge
PRINCETON (US)—For the first time, scientists have observed electrons in a semiconductor on the brink of transitioning from a metal to an insulator—a phenomenon shrouded in mystery despite decades of examination. (more…)
Science & Technology - Feb 9, 2010 13:22 - 2 Comments
One step closer to quantum computing
PRINCETON (US)—Physicist Jason Petta may have overcome a major hurdle to designing and constructing a radically new kind of quantum computer. He’s figured out how to manipulate the single electrons that very likely will constitute the new machines’ processing components or “qubits.” (more…)
Science & Technology - Jan 19, 2010 13:11 - 2 Comments
Superconductivity in iron compound
CORNELL—A surprising discovery of electronic liquid crystal states in an iron-based, high-temperature superconductor is another step toward understanding superconductivity and using it in such applications as power transmission. (more…)
Science & Technology - Dec 23, 2009 16:46 - 0 Comments
3-D channels pave way for man-made organs
TEXAS A&M (US)—The creation of a network of microchannels could advance the field of tissue engineering by serving as a three-dimensional vasculature to support construction of tissue, include organs. (more…)
