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quantum dots News
Electronic Metamaterial Made
BASEL, Switzerland, July 17, 2009 -- Physicists and chemists in Switzerland defied the belief that electrical resistance of a material can't be adjusted by developing thin films with controllable electronic properties. The discovery could have a big impact on future applications in sensors and computing.
Ion Trap Senses Force, Light
GAITHERSBURG, Md., July 6, 2009 – Miniature devices for trapping ions are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at NIST holds promise as a stylus for sensing very small forces and light particles for quantum...
Lasers Lengthen Qbit Memory
ANN ARBOR, Mich., June 24, 2009 – Physicists have found a way to drastically prolong the shelf life of quantum bits, the 0s and 1s of quantum computers. A quantum dot is a semiconductor nanostructure that is one candidate for creating quantum bits. The scientists, including the...
QD Vision Awarded SBIR Grant
Jun 10, 2009 — QD Vision of Watertown, Mass., a developer of nanotechnology-based products for lighting and displays, announced that it has been awarded a Small Business Innovation Research (SBIR) Phase II contract by the US Army as part of its Night Vision and...
Quantum Dots Detect Surface Damage
ROCHESTER, NY, May 13, 2009 -- Appearances can be deceiving, so they say. And a polished surface that appears defect-free can hide a layer of defects. This subsurface damage can be difficult to detect, but can degrade performance in optical components. That’s why finding it is...
QD Vision Receives $700K
Apr 21, 2009 — The Department of Energy has awarded more than $700,000 to Watertown, Mass.-based QD Vision, a developer of nanotechnology-based products for lighting displays. As part of a program to create advanced solid-state technologies, the company was...
'Nano-Camo' Clothing Coming
ALBUQUERQUE, N.M., April 7, 2009 — Just as certain fish species blend with their environment by changing color, researchers have theorized that they could cause synthetic materials to change color by manipulating motor proteins through the use of nanoscopic, light-emitting dots of...
Light Squeezed From QDs
MONTREAL, April 3, 2009 -- Light has successfully been amplified with semiconductor nanocrystals (quantum dots) suspended in another medium. The technology, once seen as a dead-end, could lead to advances in lasers, optical computing and telecommunications.
QD 'Doughnuts' Control Light
COVENTRY, England, March 11, 2009 -- Doughnut-shaped byproducts of quantum dots have been used to slow and even freeze light. While others have used varying exotic states of matter to dramatically slow the progress of light, this is the first time a technique has been devised to...
Safe Luminescent Nanoflakes
SAN DIEGO, Feb. 23, 2009 – Nanoscale materials are the topic of much debate because they often are considered too poisonous for use in humans. Now a team of scientists has created minuscule flakes of silicon that glow brightly, last long enough to slowly release cancer...
Record-Small Quantum Dots
EDMONTON, Alberta, Canada, Jan. 28, 2009 – Researchers at the National Institute for Nanotechnology and the University of Alberta have unveiled quantum dots composed of a single atom of silicon and measuring less than 1 nm in diameter, making them the smallest ever created. According to...
Technology: A Billion Points of Light – and More Coming
Jan 1, 2009 — Quantum dots, more generically known as semiconductor nanoparticles, are hiding in the shadows no longer. The tiny crystals, attractive because they exhibit large quantum yields up and down the visible spectrum when they are energized, are being...
Technology: Smarter, Better, Faster, Greener
Jan 1, 2009 — Technology helps us see, understand and manipulate our world; it helps us communicate from afar; and it helps us shop for shoes without ever setting foot in a mall. And none of it would be possible without the dedicated, forward-thinking researchers...
Strained Quantum Dots Shine
ATLANTA, Ga., Dec. 8, 2008 – Quantum dots, tiny luminescent particles made of semiconductors, hold promise for detecting and treating cancer earlier, however there are limitations related to their size and possible toxicity. Scientists at Emory University and the Georgia...
Quantum dots point to a $721.1 million market
Nov 1, 2008 — WELLESLEY, Mass. – The value of the global market for quantum dot technology is expected to reach $28.6 million in 2008 and to rise to $721.1 million in 2013, with a compound annual growth rate of 90.7 percent, according to a technical market...
Lasers Tune Quantum Dots
GAITHERSBURG, Md., Aug. 20, 2008 – In what could be a key development in cryptography applications, researchers from the National Institute of Standards and Technology (NIST) and the Joint Quantum Institute (JQI), a collaborative center of the University of Maryland and NIST, have...
SPIE Show Soars
SAN DIEGO, Aug. 14, 2008 – This year’s SPIE Optics+Photonics symposium was the largest meeting of the annual symposium thus far. The show, which ends today, enjoyed sessions on nano and solar technologies, strategies for communication, and solid-state lighting and OLED...
SPIE Show Soars
Aug 14, 2008 — This year’s SPIE Optics+Photonics symposium was the largest meeting of the annual symposium thus far. The show, which ends today, enjoyed sessions on nano and solar technologies, strategies for communication, and solid-state lighting and OLED...
Building a Remote Refractive Index Sensor with Quantum Dots
Aug 1, 2008 — Whispering works best if done correctly and up close. That’s one explanation for a new type of remote refractive index sensor developed by a group from Texas A&M University in College Station. The researchers embedded quantum dots into...
Nanoco Technologies Appoints Asian Distributor
MANCHESTER, UK -- Nanoco Technologies Ltd., a privately held nanomaterials company, has named Kisco Ltd. of Tokyo as the exclusive Asian distributor of its quantum dots materials. The Japanese company will work with electronics developers to incorporate the quantum...
Particles Could Enable Tougher Encryption
Aug 1, 2008 — As we search for ways to reduce our reliance on fossil fuels, solar cells have become ever more attractive. However, existing solar cells do not convert solar energy to electricity as efficiently as they could. A type of material called “quantum...
Building Quantum Dots Slowly
Jul 1, 2008 — Quantum dots are small, with sizes measured in nanometers. And the size is important because it determines optical properties such as the emission peak of the particle. Bigger quantum dots have redder emission peaks. The problem with engineering the...
Determining the Composition of Quantum Dots from Top to Bottom
Jul 1, 2008 — Quantum dots may shine, but shedding light on their make-up has proved to be difficult because they are small, with sizes in the tens of nanometers. Several analysis techniques average over many quantum dots, smoothing out possible variations....
Putting All of the Sunshine to Work in Solar Cells
May 1, 2008 — Despite extensive research and development, solar cells still fall woefully short of perfection. Commercially available units convert only about 15 percent of the light that falls on them into electricity. Now a team from the University of Notre...
Nanoelectronics Researcher Receives AFOSR Grant
Apr 2, 2008 — Eui-Hyeok Yang, PhD, has received a three-year grant from the Air Force Office of Scientific Research (AFOSR) under the Physics and Electronics Directorate for nanoelectronics research based on carbon nanotube (CNT) quantum dots. The specific amount...
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September 2024
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