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@ARTICLE{Sato:1032484,
      author       = {Sato, Manabu and Bouaziz, Juba and Sumita, Shuntaro and
                      Kobayashi, Shingo and Tateishi, Ikuma and Blügel, Stefan
                      and Furusaki, Akira and Hirayama, Motoaki},
      title        = {{I}deal spin-orbit-free {D}irac semimetal and diverse
                      topological transitions in {Y}8{C}o{I}n3 family},
      journal      = {Communications materials},
      volume       = {5},
      number       = {1},
      issn         = {2662-4443},
      address      = {London},
      publisher    = {Springer Nature},
      reportid     = {FZJ-2024-06277},
      pages        = {253},
      year         = {2024},
      abstract     = {Topological semimetals, known for their intriguing
                      properties arising from band degeneracies, have garnered
                      significant attention. However, the discovery of a material
                      realization and the detailed characterization of spinless
                      Dirac semimetals have not yet been accomplished. Here, we
                      propose from first-principles calculations that the RE8CoX3
                      group (RE = rare earth elements, X = Al, Ga, or In)
                      contains ideal spinless Dirac semimetals whose Fermi
                      surfaces are fourfold degenerate band-crossing points
                      (without including spin degeneracy). Despite the lack of
                      space inversion symmetry in these materials, Dirac points
                      are formed on the rotation-symmetry axis due to accidental
                      degeneracies of two bands corresponding to different
                      2-dimensional irreducible representations of the C6v group.
                      We also investigate, through first-principles calculations
                      and effective model analysis, various phase transitions
                      caused by lattice distortion or elemental substitutions from
                      the Dirac semimetal phase to distinct topological
                      semimetallic phases such as nonmagnetic linked-nodal-line
                      and Weyl semimetals (characterized by the second
                      Stiefel–Whitney class) and ferromagnetic Weyl semimetals.},
      cin          = {PGI-1},
      ddc          = {600},
      cid          = {I:(DE-Juel1)PGI-1-20110106},
      pnm          = {5211 - Topological Matter (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5211},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001355396900001},
      doi          = {10.1038/s43246-024-00635-9},
      url          = {https://juser.fz-juelich.de/record/1032484},
}