(Phys.org) —A research team with members from the U.S. and Italy has succeeded in building an integrated graphene digital circuit that is able to function at gigahertz frequencies. In their paper published in the journal ...
It's not easy going green. For home lighting applications, organic light emitting diodes (OLEDs) hold the promise of being both environmentally friendly and versatile. Though not as efficient as regular light-emitting diodes ...
Nanophysics
Jun 4, 2013
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(Phys.org) —Graphene has dazzled scientists, ever since its discovery more than a decade ago, with its unequalled electronic properties, its strength and its light weight. But one long-sought goal has proved elusive: how ...
Nanophysics
May 16, 2013
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(Phys.org) —Researchers at Pacific Northwest National Laboratory have uncovered the characteristics of a low-resistance electrical contact to strontium titanate, SrTiO3, an important prototypical oxide semiconductor. Oxides ...
Nanomaterials
May 13, 2013
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(Phys.org) —A new semiconductor device capable of emitting two distinct colours has been created by a group of researchers in the US, potentially opening up the possibility of using light emitting diodes (LEDs) universally ...
Electronics & Semiconductors
May 3, 2013
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(Phys.org) —A University of Illinois research group brought together aspects of condensed matter physics, semiconductor device engineering, and photochemistry to develop a new form of high-performance solar photocatalyst ...
Materials Science
Apr 23, 2013
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(Phys.org) —Researchers from North Carolina State University have solved a long-standing materials science problem, making it possible to create new semiconductor devices using zinc oxide (ZnO) – including efficient ultraviolet ...
Condensed Matter
Apr 23, 2013
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(Phys.org) —A local power failure in Ohio ten years ago caused a series of cascading power failures that resulted in a massive blackout that affected 50 million people and caused billions of dollars in damage and lost revenue.
Energy & Green Tech
Apr 19, 2013
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(Phys.org) —If you could peek at the inner workings of a computer processor you would see billions of transistors switching back and forth between two states. In optical communications, information from the switches can ...
Optics & Photonics
Apr 1, 2013
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Scenarios for the optimal employment of light-emitting diodes for lighting purposes are being investigated at the TU Darmstadt's Institute for Lighting Technology. The focus is on human perceptions, wellbeing, and health.
Engineering
Mar 27, 2013
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