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Magic-angle trilayer graphene may be a rare, magnet-proof superconductor
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Magic-angle trilayer graphene may be a rare, magnet-proof superconductor | MIT News | Massachusetts Institute of Technology
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Massachusetts Institute of Technology
When two sheets of graphene are stacked atop each other at just the right angle, the layered structure morphs into an unconventional superconductor, allowing electric currents to pass through without resistance or wasted energy.
This “magic-angle” transformation in bilayer graphene was observed for the first time in 2018 in the group of Pablo Jarillo-Herrero, the Cecil and Ida Green Professor of Physics at MIT. Since then, scientists have searched for other materials that can be similarly twisted into superconductivity, in the emerging field of “twistronics.” For the most part, no other twisted material has exhibited superconductivity other than the original twisted bilayer graphene, until now.
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When two sheets of graphene are stacked atop each other at just the right angle, the layered structure morphs into an unconventional superconductor, allowing electric currents to pass through without resistance or wasted energy.
This magic-angle transformation in bilayer graphene was observed for the first time in 2018 in the group of Pablo Jarillo-Herrero, the Cecil and Ida Green Professor of Physics at MIT. Since then, scientists have searched for other materials that can be similarly twisted into superconductivity, in the emerging field of twistronics. For the most part, no other twisted material has exhibited superconductivity other than the original twisted bilayer graphene, until now.
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