High-lying valley-polarized trions in 2D semiconductors

URN to cite this document:: urn:nbn:de:bvb:355-epub-532246
DOI to cite this document:: 10.5283/epub.53224

Lin, Kai-Qiang

; Ziegler, Jonas D. ; Semina, Marina A.

; Mamedov, Javid V. ; Watanabe, Kenji

; Taniguchi, Takashi ; Bange, Sebastian

; Chernikov, Alexey ; Glazov, Mikhail M.

; Lupton, John M.

License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 28 Nov 2022 08:15

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Abstract

Here, the authors observe tightly bound, valley-polarized, UV-emissive trions in monolayer transition metal dichalcogenide transistors. These are quasiparticles composed of an electron from a high-lying conduction band with negative effective mass, a hole from the first valence band, and an additional charge from a band-edge state. Optoelectronic functionalities of monolayer transition-metal ...