Impact of electron-hole correlations on the 1T-TiSe_{2} electronic structure

Physical Review Letters
G MonneyH Beck

Abstract

Several experiments have been performed on 1T-TiSe_{2} in order to identify whether the electronic structure is semimetallic or semiconducting without reaching a consensus. In this Letter, we theoretically study the impact of electron-hole and electron-phonon correlations on the bare semimetallic and semiconducting electronic structure. The resulting electron spectral functions provide a direct comparison of both cases and demonstrate that 1T-TiSe_{2} is of predominant semiconducting character with some spectral weight crossing the Fermi level.

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Citations

Jan 4, 2020·Nature Communications·Chao LianSheng Meng
Dec 23, 2019·The Journal of Chemical Physics·A S ShkvarinA N Titov
Feb 27, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Ashish KumarO P Sinha
Dec 2, 2015·ACS Nano·Katsuaki SugawaraTakashi Takahashi
Aug 16, 2016·ACS Nano·So Young KimJun Sung Kim

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