MIT Reports 400 GHz Graphene Transistor Possible With 'Negative Resistance'

An anonymous reader writes "The idea is to take a standard graphene field-effect transistor and find the circumstances in which it demonstrates negative resistance (or negative differential resistance, as they call it). They then use the dip in voltage, like a kind of switch, to perform logic. They show how several graphene field-effect transistors can be combined and manipulated in a way that produces conventional logic gates. Graphene-based circuit can match patterns and it has several important advantages over silicon-based versions. Liu and co can build elementary XOR gates out of only three graphene field-effect transistors compared to the eight or more required using silicon. That translates into a significantly smaller area on a chip. What's more, graphene transistors can operate at speeds of over 400 GHz."

Comments

even better:

[Anonymous Coward]

I don't know about this computer stuff, but graphene lube is much better than silicone lube. I say, bring on the graphene trannies!

Obligitory XKCD

[flayzernax]

http://xkcd.com/678/

Re:Not negative resistance

[Anonymous Coward]

How can you get anyone to read an article on science if you don't convince them you are violating the fundamental laws of the universe?

Re:2000's called...

[gagol]

Dont change your name, it serves you well.

Re:Summary incorrect - Don't need 8 transistors in

[Impy the Impiuos Imp]

NAND? Don't leave us hanging.