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The Dawn of Gallium Oxide Microelectronics

WASHINGTON, D.C., February 6, 2018– Silicon has long been the go-to material in the world of microelectronics and semiconductor technology. But silicon still faces limitations, particularly with scalability for power applications. Pushing semiconductor technology to its full potential requires smaller designs at higher energy density.

“One of the largest shortcomings in the world of microelectronics is always good use of power: Designers are always looking to reduce excess power consumption and unnecessary heat generation,” said Gregg Jessen, principal electronics engineer at the Air Force Research Laboratory. “Usually, you would do this by scaling the devices. But the technologies in use today are already scaled close to their limits for the operating voltage desired in many applications. They are limited by their critical electric field strength.”

Transparent conductive oxides are a key emerging material in semiconductor technology, offering the unlikely combination of conductivity and transparency over the visual spectrum. One conductive oxide in particular has unique properties that allow it to function well in power switching: Ga2O3, or gallium oxide, a material with an incredibly large bandgap.

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