A stable negative trion gas appears spontaneously at the surface of Ta2NiS5, detected as a localized in-gap state in ARPES and attributed to band bending plus quasi-1D geometry.
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Trion gas on the surface of a failed excitonic insulator
A stable negative trion gas appears spontaneously at the surface of Ta2NiS5, detected as a localized in-gap state in ARPES and attributed to band bending plus quasi-1D geometry.