Dynamical spin susceptibility in La2CuO4 studied by resonant inelastic x-ray scattering

H. C. Robarts, M. Garcia-Fernandez, J. Li, A. Nag, A. C. Walters, N. E. Headings, S. M. Hayden, Ke-Jin Zhou

Research output: Contribution to journalArticle (Academic Journal)

Abstract

Resonant inelastic X-ray scattering (RIXS) is a powerful probe of elementary excitations in solids. It is now widely applied to study magnetic excitations. However, its complex cross-section means that RIXS has been more difficult to interpret than inelastic neutron scattering (INS). Here we report high-resolution RIXS measurements of magnetic excitations of La2CuO4, the antiferromagnetic parent of one system of high-temperature superconductors. At high energies (~2 eV), the RIXS spectra show angular-dependent dd orbital excitations which are found to be in good agreement with single-site multiplet calculations. At lower energies (
Original languageEnglish
JournalPhysical Review B
Publication statusSubmitted - 27 Sep 2020

Bibliographical note

12 pages

Keywords

  • cond-mat.str-el
  • cond-mat.supr-con

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