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A comment on IBM says it has made working versions of 7nm chips. Parent comment

Re:IBM says it has made working versions of 7nm chips by Frenchgeek on Thursday July 09, 2015 @02:45AM (#9856486)
The last time I checked, diamond looked promising.
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Re:IBM says it has made working versions of 7nm chips by jpmattia on Thursday July 09, 2015 @02:56AM (#9856521)
Doubtful: You can't really dope it n-type.

Diamond has the interesting property of having it's conduction band above vacuum level, so that free electrons would (in principle) fall out of the material. (Surface physics gets in the way of that.)

It's the reason that diamond is used for cold-cathode emitters btw.

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