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Hardware Science

Scientists Build Graphene From Scratch, Atom By Atom 185

Posted by Soulskill
from the i-bet-that-goes-quick dept.
MrSeb writes "You've heard of 'designer babies,' the idea that you can customize a baby by altering its DNA, but now a team of researchers from Stanford University and the Department of Energy have meddled around with the very fabric of reality and created the very first 'designer electrons.' The bulk of the universe is made up from just a few dozen elements, and each of these elements is made up of just a few subatomic particles: electrons, protons, neutrons, quarks, and so on. For the most part, the properties of every material — its flexibility, strength, conductivity — is governed by the bonds between its constituent atoms, which in turn dictate a molecule's arrangement of electrons. In short, if you can manually move electrons around, you can create different or entirely new materials. That's exactly what Stanford University has done: Using a scanning tunneling microscope, the team of researchers placed individual carbon monoxide molecules on a clean sheet of copper to create 'molecular graphene' — an entirely new substance that definitely isn't graphene, but with electrons that act a lot like graphene (abstract). It is now possible, then, for scientists to create entirely new materials or tweak existing materials — like silicon or copper, or another important element — to make them stronger or more conductive. Where will this particular avenue lead us?"
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Scientists Build Graphene From Scratch, Atom By Atom

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