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@ARTICLE{Schlappa:622041,
      author       = {Schlappa, Justine and Ghiringhelli, Giacomo and Van Kuiken,
                      Benjamin E. and Teichmann, Martin and Miedema, Piter S. and
                      Delitz, Jan Torben and Gerasimova, Natalia and Molodtsov,
                      Serguei and Adriano, Luigi and Baranasic, Bernard and
                      Broers, Carsten and Carley, Robert and Gessler, Patrick and
                      Ghodrati, Nahid and Hickin, David and Hoang, Le Phuong and
                      Izquierdo, Manuel and Mercadier, Laurent and Mercurio,
                      Giuseppe and Parchenko, Sergii and Stupar, Marijan and Yin,
                      Zhong and Martinelli, Leonardo and Merzoni, Giacomo and
                      Peng, Ying Ying and Reuss, Torben and Sreekantan Nair
                      Lalithambika, Sreeju and Techert, Simone and Laarmann, Tim
                      and Huotari, Simo and Schroeter, Christian and Langer,
                      Burkhard and Giessel, Tatjana and Buchheim, Jana and Gwalt,
                      Grzegorz and Sokolov, Andrey and Siewert, Frank and
                      Buechner, Robby and Vaz da Cruz, Vinicius and Eckert,
                      Sebastian and Liu, Chun-Yu and Sohrt, Christian and Weniger,
                      Christian and Pietzsch, Annette and Neppl, Stefan and Senf,
                      Friedmar and Scherz, Andreas and Föhlisch, Alexander},
      title        = {{T}he {H}eisenberg-{RIXS} instrument at the {E}uropean
                      {XFEL}},
      journal      = {Journal of synchrotron radiation},
      volume       = {32},
      number       = {1},
      issn         = {0909-0495},
      address      = {Chester},
      publisher    = {IUCr},
      reportid     = {PUBDB-2025-00153},
      pages        = {29 - 45},
      year         = {2025},
      abstract     = {Resonant inelastic X-ray scattering (RIXS) is an ideal
                      X-ray spectroscopy method to push the combination of energy
                      and time resolutions to the Fourier transform ultimate
                      limit, because it is unaffected by the core-hole lifetime
                      energy broadening. Also, in pump–probe experiments the
                      interaction time is made very short by the same core-hole
                      lifetime. RIXS is very photon hungry so it takes great
                      advantage from high-repetition-rate pulsed X-ray sources
                      like the European XFEL. The Heisenberg RIXS instrument is
                      designed for RIXS experiments in the soft X-ray range with
                      energy resolution approaching the Fourier and the Heisenberg
                      limits. It is based on a spherical grating with variable
                      line spacing and a position-sensitive 2D detector.
                      Initially, two gratings were installed to adequately cover
                      the whole photon energy range. With optimized spot size on
                      the sample and small pixel detector the energy resolution
                      can be better than 40 meV (90 meV) at any photon energy
                      below 1000 eV with the high-resolution (high-transmission)
                      grating. At the SCS instrument of the European XFEL the
                      spectrometer can be easily positioned thanks to air pads on
                      a high-quality floor, allowing the scattering angle to be
                      continuously adjusted over the 65–145° range. It can be
                      coupled to two different sample interaction chambers, one
                      for liquid jets and one for solids, each state-of-the-art
                      equipped and compatible for optical laser pumping in
                      collinear geometry. The measured performances, in terms of
                      energy resolution and count rate on the detector, closely
                      match design expectations. The Heisenberg RIXS instrument
                      has been open to public users since the summer of 2022.},
      cin          = {FS-SCS},
      ddc          = {550},
      cid          = {I:(DE-H253)FS-SCS-20131031},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / SFB 1073 C02 - In-situ
                      hochauflösende Untersuchung des aktiven Zustands bei der
                      (photo-) elektrochemischen Wasserspaltung (C02) (240172646)
                      / EDAX - Beating Complexity through Selectivity:Excited
                      state Dynamics from Anti-Stokes and non-linear resonant
                      inelastic X-ray scattering (669531)},
      pid          = {G:(DE-HGF)POF4-632 / G:(GEPRIS)240172646 /
                      G:(EU-Grant)669531},
      experiment   = {EXP:(DE-H253)XFEL(machine)-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {39705248},
      UT           = {WOS:001395738600004},
      doi          = {10.1107/S1600577524010890},
      url          = {https://bib-pubdb1.desy.de/record/622041},
}