Evolution of the Fermi surface of 1T-VSe$_2$ across a structural phase transition

Fuente: arXiv
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Main Authors: Yilmaz, Turgut, Tong, Xiao, Sadowski, Jerzy T., Hwang, Sooyeon, Evans-Lutterodt, Kenneth, Kisslinger, Kim, Vescovo, Elio
Format: Preprint
Published: 2024
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_version_ 1866913465716703232
author Yilmaz, Turgut
Tong, Xiao
Sadowski, Jerzy T.
Hwang, Sooyeon
Evans-Lutterodt, Kenneth
Kisslinger, Kim
Vescovo, Elio
author_facet Yilmaz, Turgut
Tong, Xiao
Sadowski, Jerzy T.
Hwang, Sooyeon
Evans-Lutterodt, Kenneth
Kisslinger, Kim
Vescovo, Elio
contents The electronic origin of the structural transition in 1T-VSe$_2$ is re-evaluated through an extensive angle-resolved photoemission spectroscopy experiment. The components of the band structure, missing in previous reports, are revealed. Earlier observations, shown to be temperature independent and therefore not correlated with the phase transition, are explained in terms of the increased complexity of the band structure close to the Fermi level. Only the overall size of the Fermi surface is found to be positively correlated with the phase transition at 110 K. These observations, quite distant from the charge density wave scenario commonly considered for 1T-VSe$_2$, bring fresh perspectives toward the correct description of structural transitions in dichalcogenides materials.
format Preprint
id arxiv_https___arxiv_org_abs_2408_05930
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Evolution of the Fermi surface of 1T-VSe$_2$ across a structural phase transition
Yilmaz, Turgut
Tong, Xiao
Sadowski, Jerzy T.
Hwang, Sooyeon
Evans-Lutterodt, Kenneth
Kisslinger, Kim
Vescovo, Elio
Materials Science
The electronic origin of the structural transition in 1T-VSe$_2$ is re-evaluated through an extensive angle-resolved photoemission spectroscopy experiment. The components of the band structure, missing in previous reports, are revealed. Earlier observations, shown to be temperature independent and therefore not correlated with the phase transition, are explained in terms of the increased complexity of the band structure close to the Fermi level. Only the overall size of the Fermi surface is found to be positively correlated with the phase transition at 110 K. These observations, quite distant from the charge density wave scenario commonly considered for 1T-VSe$_2$, bring fresh perspectives toward the correct description of structural transitions in dichalcogenides materials.
title Evolution of the Fermi surface of 1T-VSe$_2$ across a structural phase transition
topic Materials Science
url https://arxiv.org/abs/2408.05930