Nature Communications (Feb 2022)

Antiferromagnetic excitonic insulator state in Sr3Ir2O7

  • D. G. Mazzone,
  • Y. Shen,
  • H. Suwa,
  • G. Fabbris,
  • J. Yang,
  • S.-S. Zhang,
  • H. Miao,
  • J. Sears,
  • Ke Jia,
  • Y. G. Shi,
  • M. H. Upton,
  • D. M. Casa,
  • X. Liu,
  • Jian Liu,
  • C. D. Batista,
  • M. P. M. Dean

DOI
https://doi.org/10.1038/s41467-022-28207-w
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 8

Abstract

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Antiferromagnetic excitonic insulators are a distinct form of excitonic insulator, in which electrons and holes are bound by magnetic exchange rather than Coulomb attraction. Here, Mazzone et al. show, using X-ray scattering, that Sr3Ir2O7 realizes this particular state.