Dec 9, 2020

Discovery suggests new promise for nonsilicon computer transistors

Posted by in categories: computing, materials

For decades, one material has so dominated the production of computer chips and transistors that the tech capital of the world—Silicon Valley—bears its name. But silicon’s reign may not last forever.

MIT researchers have found that an alloy called InGaAs (indium gallium arsenide) could hold the potential for smaller and more energy efficient . Previously, researchers thought that the performance of InGaAs transistors deteriorated at small scales. But the new study shows this apparent deterioration is not an intrinsic property of the material itself.

The finding could one day help push computing power and efficiency beyond what’s possible with silicon. “We’re really excited,” said Xiaowei Cai, the study’s lead author. “We hope this result will encourage the community to continue exploring the use of InGaAs as a channel material for transistors.”

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