Could Tin be the Two-Dimensional Material of the Future?

See on Scoop.itTracking the Future

For the better part of a decade, researchers have been theorizing and calculating about a mysterious new class of materials called topological insulators. In computer models, scientists have been able to reveal that these topological insulators possess the odd property of insulating on the inside and conducting on the outside. It was even demonstrated last year that topological insulators could be produced from heavy metals like uranium and plutonium that could work at room temperature.

Now researchers at U.S. Department of Energy’s (DOE) SLAC National Accelerator Laboratory and Stanford University have simulated what would happen if you whittled a topological insulator down to a single atomic layer—a two-dimensional material like graphene. The result is that the edges of the material become conductors and rest behaves as an insulator.

The researchers have dubbed their new material “Stanene”, which is the combining of the Latin word for tin (stannum) with the suffix used in graphene. They believe that it could be a “wonder material” every bit as fascinating as its carbon cousin, graphene. Initial calculations indicate that it could be the world’s first material to conduct electricity with 100 percent efficiency at the temperatures that computer chips operate.

See on spectrum.ieee.org

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