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disulfide crystalsSciTechDaily
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82% Informative
University of Pennsylvania researchers have taken twistronics into new territory.
They studied spirally stacked tungsten disulfide crystals and discovered that light could be used to manipulate electrons.
The result is analogous to the Coriolis force, which curves the paths of objects in a rotating frame, like wind and ocean currents.
Team observed complex wavefunctions and behaviors not seen in regular two -dimensional materials.
The twisting fundamentally alters the electronic structure, creating new pathways for controlling electron flow in ways that traditional materials cannot.
By adjusting the thickness and handedness of the WS spirals, the researchers could fine-tune the strength of the optical Hall effect.
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