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@ARTICLE{Tan:1014777,
      author       = {Tan, Xin and Hagiwara, Kenta and Chen, Ying-Jiun and
                      Schusser, Jakub and Cojocariu, Iulia and Baranowski, Daniel
                      and Feyer, Vitaliy and Minár, Ján and Schneider, Claus M.
                      and Tusche, Christian},
      title        = {{S}oft {X}-ray {F}ermi surface tomography of palladium and
                      rhodium via momentum microscopy},
      journal      = {Ultramicroscopy},
      volume       = {253},
      issn         = {0304-3991},
      address      = {Amsterdam},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2023-03461},
      pages        = {113820 -},
      year         = {2023},
      abstract     = {Fermi surfaces of transition metals, which describe all
                      thermodynamical and transport quantities of solids, often
                      fail to be modeled by one-electron mean-field theory due to
                      strong correlations among the valence electrons. In
                      addition, relativistic spin–orbit coupling pronounced in
                      heavier elements lifts the degeneracy of the energy bands
                      and further modifies the Fermi surface. Palladium and
                      rhodium, two 4d metals attributed to show significant
                      spin–orbit coupling and electron correlations, are ideal
                      for a systematic and fundamental study of the two
                      fundamental physical phenomena and their interplay in the
                      electronic structure. In this study, we explored the Fermi
                      surface of the 4d noble metals palladium and rhodium
                      obtained via high-resolution constant initial state momentum
                      microscopy. The complete 3D-Fermi surfaces of palladium and
                      rhodium were tomographically mapped using soft X-ray photon
                      energies from 34 eV up to 660 eV. To fully capture the
                      orbital angular momentum of states across the Fermi surface,
                      the Fermi surface tomography was performed using p- and s-
                      polarized light. Applicability and limitations of the
                      nearly-free electron final state model in photoemission are
                      discussed using a complex band structure model supported by
                      experimental evidence. The significance of spin–orbit
                      coupling and electron correlations across the Fermi surfaces
                      will be discussed within the context of the photoemission
                      results. State-of-the-art fully relativistic
                      Korringa–Kohn–Rostoker (KKR) calculations within the
                      one-step model of photoemission are used to support the
                      experimental results.},
      cin          = {PGI-6},
      ddc          = {570},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {5211 - Topological Matter (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5211},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37586245},
      UT           = {WOS:001063342100001},
      doi          = {10.1016/j.ultramic.2023.113820},
      url          = {https://juser.fz-juelich.de/record/1014777},
}