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UGA chemists' synthesis of silicon oxides opens 'new world in a grain of sand'

27-Apr-2015

In an effort that reaches back to the 19th-century laboratories of Europe, a discovery by University of Georgia chemistry researchers establishes new research possibilities for silicon chemistry and the semiconductor industry. The study, published in Nature Chemistry, gives details on the first ...

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New transitory form of silica observed

24-Mar-2015

A Carnegie-led team was able to discover five new forms of silica under extreme pressures at room temperature. Their findings are published by Nature Communications.Silicon dioxide, commonly called silica, is one of the most-abundant natural compounds and a major component of the Earth's crust ...

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Perovskites provide big boost to silicon solar cells, Stanford study finds

20-Jan-2015

Stacking perovskites onto a conventional silicon solar cell dramatically improves the overall efficiency of the cell, according to a new study led by Stanford University scientists. The researchers describe their novel perovskite-silicon solar cell in Energy & Environmental Science."We've been ...

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Scientists measure speedy electrons in silicon

Attosecond laser provides first 'movie' of fast electrons jumping band-gap of semiconductor

22-Dec-2014

The entire semiconductor industry, not to mention Silicon Valley, is built on the propensity of electrons in silicon to get kicked out of their atomic shells and become free. These mobile electrons are routed and switched though transistors, carrying the digital information that characterizes our ...

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Silicon sponge improves lithium-ion battery performance

Increasing battery's storage capacity could allow laptops, electric vehicles to run longer

10-Jul-2014

The lithium-ion batteries that power our laptops and electric vehicles could store more energy and run longer on a single charge with the help of a sponge-like silicon material. Researchers developed the porous material to replace the graphite traditionally used in one of the battery's ...

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Sunlight generates hydrogen in new porous silicon

14-Apr-2014

Porous silicon manufactured in a bottom up procedure using solar energy can be used to generate hydrogen from water, according to a team of Penn State mechanical engineers, who also see applications for batteries, biosensors and optical electronics as outlets for this new material. The surface ...

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Strain can alter materials' properties

New field of 'strain engineering' could open up areas of materials research with many potential applications

04-Apr-2014

In the ongoing search for new materials for fuel cells, batteries, photovoltaics, separation membranes, and electronic devices, one newer approach involves applying and managing stresses within known materials to give them dramatically different properties. This development has been very ...

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Process to 'dope' carbon filaments

Engineers invent a process to 'dope' carbon filaments with an additive to improve their electronic performance, paving the way for digital devices that bend.

19-Mar-2014

Engineers would love to create flexible electronic devices, such as e-readers that could be folded to fit into a pocket. One approach they are trying involves designing circuits based on electronic fibers, known as carbon nanotubes (CNTs), instead of rigid silicon chips. But reliability is ...

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Bending the light with a tiny chip

A silicon chip developed by Caltech researchers acts as a lens-free projector--and could one day end up in your cell phone.

13-Mar-2014

Imagine that you are in a meeting with coworkers or at a gathering of friends. You pull out your cell phone to show a presentation or a video on YouTube. But you don't use the tiny screen; your phone projects a bright, clear image onto a wall or a big screen. Such a technology may be on its way, ...

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Thinnest-possible LEDs to be stronger, more energy efficient

12-Mar-2014

Most modern electronics, from flat-screen TVs and smartphones to wearable technologies and computer monitors, use tiny light-emitting diodes, or LEDs. These LEDs are based off of semiconductors that emit light with the movement of electrons. As devices get smaller and faster, there is more demand ...

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