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Quote of the day

'By far the greatest danger of Artificial Intelligence is that people conclude too early that they understand it'

 

Eliezer Yudkowsky

Germanium sheets could replace silicon in semiconductors

RATE THIS! +10
Posted in Science on 15th Apr, 2013 12:30 AM by AlexMuller

It consists of one-atom-thick sheets and it could revolutionize electronics ... but it’s not graphene.

 

Chemists at Ohio State University, instead of creating graphene from carbon atoms, have used sheets of germanium atoms to create a substance known as germanane. Because of its numerous advantages over silicon, it could become the material of choice for semiconductors.

 

Germanium was used to create the first experimental microchips over 60 years ago, and Ohio State assistant professor of chemistry Joshua Goldberger wondered if it could still give graphene a run for its money. “Most people think of graphene as the electronic material of the future,” he said. “But silicon and germanium are still the materials of the present. Sixty years’ worth of brainpower has gone into developing techniques to make chips out of them. So we’ve been searching for unique forms of silicon and germanium with advantageous properties, to get the benefits of a new material but with less cost and using existing technology.”

 

The resulting material has been shown to conduct electrons ten times faster than silicon (and five times faster than conventional germanium), meaning that it could carry a proportionately higher load if used in microchips. It’s also more chemically stable than silicon, not oxidizing in the presence of air or water, plus it’s much better at absorbing and emitting light – this means that it could prove particularly useful in solar cells.



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Comments

Author: Guest
Posted: 2013-10-25
+0
kMJqbh Thank you for your blog post.Really looking forward to read more. Fantastic. Reply


 

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