Structural Origin of the Light-Induced Spectral Gap Suppression in Ta2NiSe5

  • Alfred Zong*
  • , Zijing Chen
  • , Chenhang Xu
  • , Chendi Xie
  • , Weichen Tang
  • , Qiaomei Liu
  • , Dong Wu
  • , Qing Xu
  • , Tao Jiang
  • , Pengfei Zhu
  • , Xiao Zou
  • , Jun Li
  • , Zhiwei Wang
  • , Nanlin Wang
  • , Dong Qian*
  • , Dao Xiang*
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Using MeV ultrafast electron diffraction to map out atomic trajectories, we revealed that reduced monoclinic distortion primarily explains the photoinduced gap suppression in the electronic structure of Ta2NiSe5, a leading excitonic insulator candidate.

Original languageEnglish
Title of host publication2025 Conference on Lasers and Electro-Optics, CLEO 2025
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781957171500
Publication statusPublished - 2025
Event2025 Conference on Lasers and Electro-Optics, CLEO 2025 - Long Beach, United States
Duration: 4 May 20259 May 2025

Publication series

Name2025 Conference on Lasers and Electro-Optics, CLEO 2025

Conference

Conference2025 Conference on Lasers and Electro-Optics, CLEO 2025
Country/TerritoryUnited States
CityLong Beach
Period4/05/259/05/25

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