Graphene is a remarkable form of carbon, built from a single layer of tightly connected atoms that is only one atom thick. Despite its thinness, it is highly stable and conducts electricity extremely well. Because of these qualities, graphene is considered a "miracle material" and is already being explored for flexible electronic screens, highly sensitive sensors, advanced batteries, and next-generation solar cells.
A new study led by the University of Göttingen, in collaboration with teams in Braunschweig, Bremen, and Fribourg, shows that graphene may be capable of even more. For the first time, scientists have directly observed "Floquet effects" in graphene. This finding settles a long-running scientific question: Floquet engineering, a technique in which light pulses precisely modify the properties of a material, can also function in metallic and semi-metallic quantum materials such as graphene. The research appears in Nature Physics.
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