Researchers create one-atom-thick silicene transistor

February 6, 2015 1:10 PM

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Scientists from University of Texas at Austin’s Cockrell School of Engineering have created a transistor using silicene, the silicon version of graphene, which is just one atom thick. Silicene is a two-dimensional allotrope of silicon, with a hexagonal honeycomb structure resembling that of graphene. It is a volatile material, which disintegrates when it reacts with oxygen in the air.

The research team created a sheet of it on a thin silver surface. It was then covered with aluminum oxide and by gently removing some of the aluminum, scientists created source and drained contacts leading to a field effect transistor. The university explains that silicene has only lately been fabri...

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