(Phys.org)—A device that looks like a tiny washboard may clean the clocks of current commercial products used to manipulate infrared light.
Optics & Photonics
Nov 16, 2012
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(Phys.org)—This week, EPFL's Institute of Microengineering presented in Frankfurt "hybrid" photovoltaic cells with an energy conversion efficiency of 21.4 percent, the highest obtained for the type of substrate they used. ...
Energy & Green Tech
Sep 27, 2012
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(Phys.org) -- In the seemingly never ending search for a superconductor that can operate at or near room temperature, researchers have discovered a lot of things about superconductors in general. One of these is that there ...
WASHINGTON, April 30--Like a coffee enthusiast who struggles to get a buzz from that third cup of morning joe, light-emitting diodes (LEDs) seem to reach a point where more electricity no longer imparts the same kick and ...
Engineering
Apr 30, 2012
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Dilute magnetic semiconductors (DMS) have recently been a major focus of magnetic semiconductor research. A laboratory from the University of Science and Technology of China explored the feasibility of doping manganese (Mn) ...
Condensed Matter
Feb 20, 2012
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(PhysOrg.com) -- Nanotechnology researchers at the Georgia Institute of Technology have conducted the first direct comparison of two fundamental techniques that could be used for chemically doping sheets of two-dimensional ...
Nanomaterials
Nov 7, 2011
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Professor David Cowan, Director of the Drug Control Center at King’s College London, has warned athletes who take prohibited performance-enhancing substances that the London 2012 Olympic and Paralympic Games will be ...
Other
Sep 15, 2011
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Modern electronics as we know them, from televisions to computers, depend on conducting materials that can control electronic properties. As technology shrinks down to pocket sized communications devices and microchips that ...
Nanomaterials
Jul 15, 2011
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(PhysOrg.com) -- For the past few years, researchers have been using quantum dots to increase the light absorption and overall efficiency of solar cells. Now, researchers have taken a step further, demonstrating that quantum ...
Researchers at the Hebrew University of Jerusalem have achieved a breakthrough in the field of nanoscience by successfully altering nanocrystal properties with impurity atoms -- a process called doping – thereby opening ...
Nanomaterials
Apr 4, 2011
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