Nanophysics News

Understanding high efficiency of deep ultraviolet LEDs

Deep ultraviolet light-emitting diodes (DUV-LEDs) made from aluminium gallium nitride (AlGaN) efficiently transfer electrical energy to optical energy due to the growth of one of its bottom ...

Fri 22 Feb 19 from

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With nanopore sensing, physics researchers detect subtle changes in single particles

Researchers in Virginia Commonwealth University's Department of Physics have discovered that a technique known as nanopore sensing can be used to detect subtle changes in clusters, or extremely ...

Thu 21 Feb 19 from

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Expanding the use of silicon in batteries, by preventing electrodes from expanding

The latest lithium-ion batteries on the market are likely to extend the charge-to-charge life of phones and electric cars by as much as 40 percent. This leap forward, which comes after more ...

Thu 21 Feb 19 from TechXplore

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How to freeze heat conduction

Physicists have discovered a new effect, which makes it possible to create excellent thermal insulators which conduct electricity. Such materials can be used to convert waste heat into electrical ...

Thu 21 Feb 19 from

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Alps Shows Off '2nd-gen' Milliwave Radar Device for Close-range Monitoring (1)

Alps Alpine Co Ltd (whose name was changed from Alps Electric Co Ltd Jan 1, 2019) developed a milliwave radar device for understanding the situation of an area around a vehicle (with a radius ...

Thu 21 Feb 19 from Tech-On

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Single-laser tech prints color graphics on metal

Although it's already possible to create colored images on metal surfaces using lasers, different types of lasers have to be used for different effects. Now, however, Russian scientists ...

Fri 22 Feb 19 from Gizmag

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Fireflies' "lopsided pyramids" get copied in brighter LEDs

Although LEDs are far more energy-efficient than incandescent bulbs, most commercial models are reportedly only about 50 percent efficient at emitting the light that they generate. This ...

Wed 20 Feb 19 from Gizmag

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The holy grail of nanowire production

Nanowires have the potential to revolutionize the technology around us. Measuring just 5-100 nanometers in diameter (a nanometer is a millionth of a millimeter), these tiny, needle-shaped crystalline ...

Wed 20 Feb 19 from

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Breakthrough in the search for graphene-based electronics

For 15 years, scientists have tried to exploit the "miracle material" graphene to produce nanoscale electronics. On paper, graphene should be great for just that: it is ultra-thinonly one atom ...

Tue 19 Feb 19 from

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Physically unclonable function: Researchers unveil Internet of Things security feature

Rice University integrated circuit (IC) designers are at Silicon Valley's premier chip-design conference to unveil technology that is 10 times more reliable than current methods of producing ...

Wed 20 Feb 19 from TechXplore

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