Graphene electronics are becoming ever closer to reality
Researchers have taken a step forward in studying the wonder material graphene and revealing its exciting electronic properties for future electronic applications. The academics have revealed more about the electronic properties of its slightly fatter cousin - bilayer graphene. The researchers, from the universities of Manchester, Lancaster (UK), Nijmegen (the Netherland) and Moscow (Russia), have studied in detail the effect of interactions between electrons on the electronic properties of bilayer graphene. They used extremely high-quality bilayer graphene devices which are prepared by suspending sheets of the material in vacuum. This way most of the unwanted scattering mechanisms for electrons in graphene could be eliminated, thus enhancing the effect of electron-electron interaction. The latter could be seen as strong changes in the low-energy electronic spectrum - it becomes strongly anisotropic, or directionally dependent. This is the first effect of its kind where the interactions between electrons in graphene can be clearly seen.
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