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@ARTICLE{Suzuki:420824,
      author       = {Suzuki, Hakuto and Gretarsson, H. and Ishikawa, H. and
                      Ueda, K. and yang, ziqiang and Liu, H. and Kim, H. and
                      Kukusta, D. and Yaresko, A. and Minola, Matteo and Sears,
                      Jennifer and Francoual, S. and Wille, H.-C. and Nuss,
                      Juergen and Takagi, H. and Kim, Bumjoon and Khaliullin, G.
                      and Yavas, Hasan and Keimer, Bernhard},
      title        = {{S}pin waves and spin-state transitions in a ruthenate
                      high-temperature antiferromagnet},
      journal      = {Nature materials},
      volume       = {18},
      issn         = {1476-4660},
      address      = {Basingstoke},
      publisher    = {Nature Publishing Group},
      reportid     = {PUBDB-2019-01710},
      pages        = {563 – 567},
      year         = {2019},
      note         = {© Macmillan Publishers Limited.},
      abstract     = {Ruthenium compounds serve as a platform for fundamental
                      concepts such as spin-triplet superconductivity$^1$, Kitaev
                      spin liquids$^{2,3,4,5}$ and solid-state analogues of the
                      Higgs mode in particle physics$^{6,7}$. However, basic
                      questions about the electronic structure of ruthenates
                      remain unanswered, because several key parameters (including
                      Hund’s coupling, spin–orbit coupling and exchange
                      interactions) are comparable in magnitude and their
                      interplay is poorly understood, partly due to difficulties
                      in synthesizing large single crystals for spectroscopic
                      experiments. Here we introduce a resonant inelastic X-ray
                      scattering (RIXS)$^{8,9}$ technique capable of probing
                      collective modes in microcrystals of 4d electron materials.
                      We observe spin waves and spin-state transitions in the
                      honeycomb antiferromagnet SrRu$_2$O$_6$ (ref. $^{10}$) and
                      use the extracted exchange interactions and measured magnon
                      gap to explain its high Néel
                      temperature$^{11,12,13,14,15,16}$. We expect that the RIXS
                      method presented here will enable momentum-resolved
                      spectroscopy of a large class of 4d transition-metal
                      compounds.},
      cin          = {DOOR / FS-PE / MPG},
      ddc          = {610},
      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 / EXP:(DE-H253)P-P09-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30911120},
      UT           = {WOS:000468511800013},
      doi          = {10.1038/s41563-019-0327-2},
      url          = {https://bib-pubdb1.desy.de/record/420824},
}