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@ARTICLE{Choi:1009108,
      author       = {Choi, Young-Gwan and Jo, Daegeun and Ko, Kyung-Hun and Go,
                      Dongwook and Kim, Kyung-Han and Park, Hee Gyum and Kim,
                      Changyoung and Min, Byoung-Chul and Choi, Gyung-Min and Lee,
                      Hyun-Woo},
      title        = {{O}bservation of the orbital {H}all effect in a light metal
                      {T}i},
      journal      = {Nature},
      volume       = {619},
      number       = {7968},
      issn         = {0028-0836},
      address      = {London [u.a.]},
      publisher    = {Nature Publ. Group},
      reportid     = {FZJ-2023-02639},
      pages        = {52 - 56},
      year         = {2023},
      abstract     = {The orbital Hall effect1 refers to the generation of
                      electron orbital angular momentum flow transverse to an
                      external electric field. Contrary to the common belief that
                      the orbital angular momentum is quenched in solids,
                      theoretical studies2,3 predict that the orbital Hall effect
                      can be strong and is a fundamental origin of the spin Hall
                      effect4,5,6,7 in many transition metals. Despite the growing
                      circumstantial evidence8,9,10,11, its direct detection
                      remains elusive. Here we report the magneto-optical
                      observation of the orbital Hall effect in the light metal
                      titanium (Ti). The Kerr rotation by the orbital magnetic
                      moment accumulated at Ti surfaces owing to the orbital Hall
                      current is measured, and the result agrees with theoretical
                      calculations semi-quantitatively and is supported by the
                      orbital torque12 measurement in Ti-based magnetic
                      heterostructures. This result confirms the orbital Hall
                      effect and indicates that the orbital angular momentum is an
                      important dynamic degree of freedom in solids. Moreover,
                      this calls for renewed studies of the orbital effect on
                      other degrees of freedom such as spin2,3,13,14, valley15,16,
                      phonon17,18,19 and magnon20,21 dynamics.},
      cin          = {PGI-1 / IAS-1},
      ddc          = {500},
      cid          = {I:(DE-Juel1)PGI-1-20110106 / I:(DE-Juel1)IAS-1-20090406},
      pnm          = {5211 - Topological Matter (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5211},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37407680},
      UT           = {WOS:001024763800012},
      doi          = {10.1038/s41586-023-06101-9},
      url          = {https://juser.fz-juelich.de/record/1009108},
}