Less is more: Researchers pinpoint graphene's varying conductivity levels

(PhysOrg.com) -- Did you know that pencil lead may just end up changing the world? Graphene is the material from which graphite, the core of your No. 2 pencil, is made. It is also the latest "wonder material," and may be the electronics industry’s next great hope for the creation of extremely fast electronic devices. Researchers at North Carolina State University have found one of the first roadblocks to utilizing graphene by proving that its conductivity decreases significantly when more than one layer is present.

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