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Non-Tech : Graphene
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From: Kelly G.2/14/2013 1:39:18 PM
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In the next decade — or thereabouts; the goalposts keep shifting — silicon is expected to reach a miniaturization roadblock. At some point, we simply won’t be able to make silicon transistors any smaller. When this happens, there will be a few materials jostling to fill the void, most notably silicon-germanium, galium arsenide, and various forms of carbon (nanotubes, nanowires, graphene). In theory, computer chips made from carbon nanotubes are massively desirable — they would be many times faster than silicon, use less power, and can scale down to just a couple of nanometers. In practice, working with carbon nanotubes — just like graphene — is proving to be rather difficult. It’s sometimes easy to forget that we have decades of experience and billions of R&D dollars plowed into silicon; expertise with new materials won’t come easy.


Killing silicon: Inside IBM’s carbon nanotube computer chip lab | ExtremeTech
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