HIGHLIGHTS
- who: Junchao Ma from the (UNIVERSITY) have published the paper: Unveiling Weyl-related optical responses in semiconducting tellurium by mid-infrared circular photogalvanic effect, in the Journal: (JOURNAL)
- what: The authors report circular photogalvanic effect with opposite signs at two different midinfrared wavelengths which provides evidence of Weyl-related optical responses. The authors show this effect is highly tunable with a back-gate, showing flexible tunability comparing to semimetals, thanks to the existence of a semiconducting band gap in Te. The CPGE response demonstrated in this work provides a clear evidence about chirality-related optical . . .
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