gallium arsenide

It’s elemental: Science and stories of gallium and the Periodic Table

By April Gocha / February 2, 2018

Gallium is an interesting and incredibly useful element with a storied history—watch this short video from ACS Reactions to learn more about this interesting element, and some of the history of the Periodic Table itself.

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Carbon nanotubes steal spotlight from silicon in high-powered transistors

By Stephanie Liverani / September 6, 2016

When it comes to high-performance transistors, silicon’s been the go-to material. But recently, researchers at the University of Wisconsin-Madison say carbon nanotube transistors have, for the first time, outperformed silicon.

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Other materials stories that may be of interest

By April Gocha / May 12, 2015

Materials science in forensics, new NIST director, three-atom-thick electronic sheets, and other materials stories that may be of interest for May 12, 2015.

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Glass cockpit aboard NASA’s Orion spacecraft sets the course for future space travel

By April Gocha / December 16, 2014

The Orion spacecraft, once ready for its human companions, will eventually be equipped with a glass cockpit control system, according to NASA.

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Other materials stories that may be of interest

By April Gocha / June 3, 2014

Other materials stories that may be of interest for June 3, 2014.

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Super-thin GaAs layer keeps stacked solar cells efficient

By Jim Destefani / September 12, 2013

A very thin film of gallium arsenide between layers of stacked solar cells can virtually eliminate voltage loss between layers without blocking any solar energy.

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CTT readers’ top 10 posts of the year

By / December 31, 2012

What did our readers think were our top stories of the year? Rather than do an unscientific poll, we combed through our Google Analytics report and came up with the…

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Alta Devices reports NREL verification of 23.5% efficiency for counter-intuitive solar panel

By / February 8, 2012

Conversion efficiencies of the best research solar cells worldwide from 1976 through 2011 for various photovoltaic technologies; efficiencies determined by certified agencies/laboratories. Credit: NREL. The steady march to grid parity…

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