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@ARTICLE{Zhang:910612,
      author       = {Zhang, Xue-Jing and Koch, Erik and Pavarini, Eva},
      title        = {${L}a{VO}_3$ : {A} true {K}ugel-{K}homskii system},
      journal      = {Physical review / B},
      volume       = {106},
      number       = {11},
      issn         = {1098-0121},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2022-03990},
      pages        = {115110},
      year         = {2022},
      note         = {ISSN 2469-9969 not unique: **2 hits**.},
      abstract     = {We show that the $t^2_2g$ perovskite $LaVO_3,$ in its
                      orthorhombic phase, is a rare case of a system hosting an
                      orbital-ordering Kugel’-Khomskii phase transition rather
                      than being controlled by the Coulomb-enhanced crystal-field
                      splitting. We find that, as a consequence of this, the
                      magnetic transition is close to (and even above) the
                      superexchange driven orbital-ordering transition, whereas
                      typically magnetism arises at much lower temperatures than
                      orbital ordering. Our results support the experimental
                      scenario of orbital ordering and G-type spin correlations
                      just above the monoclinic-to-orthorhombic structural change.
                      To explore the effects of crystal-field splitting and
                      filling, we compare to $YVO_3$ and $t^1_2g$ titanates. In
                      all these materials the crystal field is sufficiently large
                      to suppress the Kugel’-Khomskii phase transition.},
      cin          = {IAS-3 / JSC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-3-20090406 / I:(DE-Juel1)JSC-20090406},
      pnm          = {5215 - Towards Quantum and Neuromorphic Computing
                      Functionalities (POF4-521) / 5111 - Domain-Specific
                      Simulation $\&$ Data Life Cycle Labs (SDLs) and Research
                      Groups (POF4-511)},
      pid          = {G:(DE-HGF)POF4-5215 / G:(DE-HGF)POF4-5111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000859707800004},
      doi          = {10.1103/PhysRevB.106.115110},
      url          = {https://juser.fz-juelich.de/record/910612},
}