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Writers at the IEEE Spectrum report that molecule-size memory may be possible using graphene. Electrons flow extremely fast in graphene, much faster than in silicon, and a graphene transistor could really zip. That’s been the good news. The bad news, until now however, is that it’s hard to stop current from flowing in graphene once it starts. Reportedly, a group of researchers at AMO, a nanotechnology company in Germany, has come up with a novel mechanism for making a graphene switch. According to research published in the August issue of IEEE Electron Device Letters, the researchers found they could affect the conductance of graphene by using an electrical field. (more…)

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