IBM has created a 100GHz graphene transistor. This latest record-setting transistor (which IBM hopes will one day replace silicon transistors) was made using processing technology that's compatible with that currently used in advanced silicon device fabrication, which should no doubt help speed up its eventual commercialization. Of course, any widespread adoption is still quite a ways away, but IBM says that this new transistor "demonstrates clearly that graphene can be utilized to produce high performance devices and integrated circuits." Current state-of-the-art silicon transistors of the same gate length top out at a mere 40GHz.
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