The exotic quantum effects found hiding inside ultra-thin materials.
IT WAS March 2018.
The atmosphere at the annual meeting of the American Physical Society at the Los Angeles Convention Center was highly charged.
The session had been moved to the atrium to accommodate the crowds, but people still had to cram onto the balconies to get a view of the action.
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Rumours had it that Pablo Jarillo-Herrero, a physicist at the Massachusetts Institute of Technology, had something momentous to report.
He and his colleagues had been experimenting with graphene, sheets of carbon just a single atom thick that are peeled from the graphite found in pencil lead.
Graphene was already celebrated for its various promising electronic properties, and much more besides.
Here, Jarillo-Herrero showed that if you stacked two graphene sheets and twisted, or rotated, one relative to the other at certain “magic angles”, you could make the material an insulator, where electric current barely flows, or a superconductor, where current flows with zero resistance.
Foreign [Music] The Exotic Quantum effects found hiding Inside ultra thin materials it was March 2018 the atmosphere at the annual Meeting of the American physical Society At the Los Angeles Convention Center was Highly charged the session had been Moved to the atrium to accommodate the Crowds but people still had to cram onto The balconies to get a view of the Action to stay up to date with latest Top stories make sure to subscribe to This YouTube channel by clicking the Button above this video rumors had it That Pablo jarillo Herrero a physicist At the Massachusetts Institute of Technology had something momentous to Report he and his colleagues had been Experimenting with graphene sheets of Carbon just a single atom thick that are Peeled from the graphite found in pencil Lead graphene was already celebrated for Its various promising electronic Properties and much more besides here Jurilo Herrero showed that if you stack Two graphene sheets and twisted or Rotated one relative to the other at Certain magic angles you could make the Material an insulator where electric Current barely flows or a superconductor Where current flows with zero resistance It was a staggering trick and Potentially hugely significant because
Superconductivity holds promise for Applications ranging from Quantum Computing to nuclear fusion researchers Have since used Twisted graphene to Generate all manner of exotic Quantum Effects including quasi-particles that Can manifest as magnetic vortices and Otherwise exhibit bizarre or electronic Properties what's exciting about these Systems is that they hold huge potential For surprise says Amir Jacoby at Harvard University even more exciting is that we Have barely started on this journey Now By inserting more sheets of graphene or Swapping in sheets of other materials to Produce similar effects we are delving Deeper into the wild new physics lurking Inside two-dimensional materials Foreign [Music]
