dopant

Color-tunable gallium nitride LEDs may light the future

By April Gocha / May 24, 2019

By controlling the emission states of europium ions in doped gallium nitride, scientists found they can emit various colors of light from a single LED.

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Reducing grain boundary energy can help design ceramics with no grain growth

By April Gocha / September 8, 2017

A team led by researchers at the University of California, Davis has published new research showing that diffusion isn’t the only consideration when it comes to controlling grain growth.

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Just add water: Does adding moisture to perovskite solar cells boost efficiency?

By Stephanie Liverani / July 29, 2016

Scientists at the Okinawa Institute of Science and Technology in Japan are delving deeper into what it is about the perovskite fabrication process that enhances effectiveness—and adding water could be the key.

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Phase-change materials and correlated oxides gain ground on silicon for top spot in future electronics

By April Gocha / September 30, 2014

Silicon has long reigned supreme in electronics. But the wonder material is quickly approaching its limit in devices that long to be smaller, run faster, and do more—so new emerging materials are quickly entering the race to replace silicon.

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Nanowire dopant know-how

By / April 15, 2009

According to a paper published in a recent issue of Nature Nanotechnology, two researchers at Northwestern University are using atom probe tomography to do precise atom-by-atom measurements of dopants in…

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