IBM Research and the Solid State Physics Laboratory at ETH Zurich have developed a new method in which the spin lifetime of electrons is extended by 30 times to 1.1 nanoseconds IBM Research and the Solid State Physics Laboratory at ETH ...
Tags: IBM, electrons, semiconductor
Tips on the best use of LED lighting for poultry from Professor Susan Watkins, Extension Poultry Specialist at the University of Arkansas. Lighting significantly impacts poultry production. Too little lighting during brooding or too much ...
Tags: LED Bulb
In the last three years, Fall River-based Philips Lightolier has increased its LED products to 20 percent of the company's sales, making it a leader in renewable lighting technology. Zia Eftekhar, chairman of Philips Lighting North ...
Tags: LED
Plastic electronics hold the promise of cheap, mass-produced devices. But plastic semiconductors have an important flaw: the electronic current is influenced by "charge traps" in the material. These traps, which have a negative impact on ...
Tags: Raw material
Researchers at the Harvard School of Engineering and Applied Sciences(SEAS),collaborating with the Weizmann Institute of Science in Israel,have now demonstrated a drastically new way of achieving negative refraction in a metamaterial.For 20 ...
Tags: Harvard, invisibility cloak, negative refraction in a metamaterial
A common mechanism underlying charge traps in organic electronics has been discovered,leading to a theoretical framework for improved plastic electronics,OLEDs and organic solar cells. During their passage through semiconductors,a ...
Tags: Common, Electronics, theoretical
US-based researchers have reported record external quantum efficiencies(EQE)of 10.4%for deep ultraviolet light-emitting diodes(DUV-LEDs)emitting at a wavelength of 278nm at a continuous-wave current of 20mA[Max Shatalov et ...
Physicists at The University of Texas at Austin,in collaboration with colleagues at Taiwan's National Tsing-Hua University and National Chiao-Tung University and at the Beijing National Laboratory for Condensed Matter Physics and Institute ...
Amplified'weak'IR light shows PV,medical potential 25 Jul 2012 Dutch researchers harvest infrared photons,amplify power 3300 times in technique inspired by photosynthesis. Chemists and materials scientists from the University of ...
Tags: PV, IR light, medical potential, photosynthesis, infrared, solar cell
White LEDs formed directly onto paper 18 Jul 2012 PhD project's'first'achievement of direct to paper fabrication of pure white LEDs promises new illumination capabilities as well as humidity sensors and cheap photovoltaic devices. ...
Tags: White LEDs, formed directly onto paper, nanostructures of zinc oxide
University of Utah physicists invented a new "spintronic" organic light-emitting diode or OLED that promises to be brighter, cheaper and more environmentally friendly than the kinds of LEDs now used in television and computer displays, ...
Physicists at the University of Utah have invented a new"spintronic"OLED(organic light-emitting diode)that promises to be more eco-friendly,bright and cost-effective than other existing popular LEDs. A new"spintronic"organic ...
Tags: Spintronic LED, electromagnet, spin, a spin OLED
University of Utah physicists invented a new"spintronic"organic light-emitting diode or OLED that promises to be brighter,cheaper and more environmentally friendly than the kinds of LEDs now used in television and computer ...
Tags: OLED, LED, Utah, spintronic
The heat-death of the universe need not bring an end to the computing age.A strange device known as a time crystal can theoretically continue to work as a computer even after the universe cools.A new blueprint for such a time crystal brings ...
United States Lighting Energy Policy is moving towards increased efficiency in order to lower green house gas emissions and energy use. Lighting efficiency improvements in the United States can be seen through different standards and acts. ...
Tags: policy&standard