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@ARTICLE{Yava:421380,
      author       = {Yavaş, Hasan and Sundermann, Martin and Chen, Kai and
                      Amorese, Andrea and Severing, Andrea and Gretarsson, Hlynur
                      and Haverkort, Maurits W. and Tjeng, Liu Hao},
      title        = {{D}irect imaging of orbitals in quantum materials},
      journal      = {Nature physics},
      volume       = {15},
      issn         = {1745-2481},
      address      = {Basingstoke},
      publisher    = {Nature Publishing Group},
      reportid     = {PUBDB-2019-01970},
      pages        = {559 – 562},
      year         = {2019},
      note         = {© Springer Nature Limited},
      abstract     = {The electronic states of quantum materials based on
                      transition-metal, rare-earth and actinide elements are
                      dominated by electrons in the d and f orbitals intertwined
                      with the strong band formation of the solid. Until now, to
                      estimate which specific orbitals contribute to the ground
                      state and thereby determine their physical properties we
                      have had to rely on theoretical calculations combined with
                      spectroscopy. Here, we show that s-core-level non-resonant
                      inelastic X-ray scattering can directly image the active
                      orbital in real space, without the necessity for any
                      modelling. The power and accuracy of this new technique is
                      shown using the textbook example, $x^2 − y^2 /
                      3z^2 − r^2$ orbital of the Ni$^{2+}$ ion in NiO single
                      crystal.},
      cin          = {DOOR ; HAS-User / FS-PE / MPG},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-PE-20120731 /
                      I:(DE-H253)MPG-20120806},
      pnm          = {6212 - Quantum Condensed Matter: Magnetism,
                      Superconductivity (POF3-621) / 6G3 - PETRA III (POF3-622)},
      pid          = {G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6G3},
      experiment   = {EXP:(DE-H253)P-P01-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000470086800018},
      doi          = {10.1038/s41567-019-0471-2},
      url          = {https://bib-pubdb1.desy.de/record/421380},
}