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@ARTICLE{Go:829540,
      author       = {Go, Dongwook and Hanke, Jan-Philipp and Buhl, Patrick and
                      Freimuth, Frank and Bihlmayer, Gustav and Lee, Hyun-Woo and
                      Mokrousov, Yuriy and Blügel, Stefan},
      title        = {{T}oward surface orbitronics: giant orbital magnetism from
                      the orbital {R}ashba effect at the surface of sp-metals},
      journal      = {Scientific reports},
      volume       = {7},
      issn         = {2045-2322},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2017-03225},
      pages        = {46742},
      year         = {2017},
      abstract     = {As the inversion symmetry is broken at a surface,
                      spin-orbit interaction gives rise to spin-dependent energy
                      shifts – a phenomenon which is known as the spin Rashba
                      effect. Recently, it has been recognized that an orbital
                      counterpart of the spin Rashba effect – the orbital Rashba
                      effect – can be realized at surfaces even without
                      spin-orbit coupling. Here, we propose a mechanism for the
                      orbital Rashba effect based on sp orbital hybridization,
                      which ultimately leads to the electric polarization of
                      surface states. For the experimentally well-studied system
                      of a BiAg2 monolayer, as a proof of principle, we show from
                      first principles that this effect leads to chiral orbital
                      textures in k-space. In predicting the magnitude of the
                      orbital moment arising from the orbital Rashba effect, we
                      demonstrate the crucial role played by the Berry phase
                      theory for the magnitude and variation of the orbital
                      textures. As a result, we predict a pronounced manifestation
                      of various orbital effects at surfaces, and proclaim the
                      orbital Rashba effect to be a key platform for surface
                      orbitronics.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {000},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
                      Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000400108600001},
      pubmed       = {pmid:28440289},
      doi          = {10.1038/srep46742},
      url          = {https://juser.fz-juelich.de/record/829540},
}