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@ARTICLE{DeBarros:910190,
      author       = {De Barros, Ruben and Ceretti, Monica and Schmidt, Wolfgang
                      and Pomjakushin, Vladimir Y. and Paulus, Werner},
      title        = {{G}rowth and {O}xygen {S}toichiometry {C}ontrol of
                      {H}igh-{Q}uality {L}a 2 {C}o{O} 4+δ {S}ingle {C}rystals (δ
                      = 0.25)},
      journal      = {Crystal growth $\&$ design},
      volume       = {22},
      number       = {9},
      issn         = {1528-7483},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {FZJ-2022-03670},
      pages        = {5542 - 5551},
      year         = {2022},
      abstract     = {La2CoO4+δ is a strongly correlated oxide with exciting
                      physical and electronic properties originating from the
                      subtle interplay of the lattice, orbital, charge, and spin
                      degrees of freedom. In particular, oxygen-rich La2CoO4.25 is
                      a key compound for studying oxygen and electronic ordering
                      phenomena and their correlation. Single-crystal growth of
                      these phases has been plagued by difficulties related to
                      their incongruent melting. In this work, we report on the
                      growth and characterization of high-quality,
                      centimeter-sized La2CoO4.25 single crystals, suitable for
                      neutron scattering experiments. La2CoO4+δ single crystals
                      were grown by the traveling solvent floating zone without
                      the addition of a solvent but continuously stabilizing the
                      growth conditions. Postsynthesis annealing at 500 °C in
                      oxygen flux yielded phase-pure La2CoO4.25, which was further
                      characterized by single-crystal neutron and X-ray
                      diffraction, as well as by scanning electron microscopy with
                      energy-dispersive X-ray spectroscopy, revealing its quality
                      in terms of composition, homogeneity, and crystalline
                      quality. For La2CoO4.25, a complex structure with a
                      two-dimensional modulation vector related to oxygen ordering
                      was revealed by single-crystal X-ray and neutron powder
                      diffraction studies. In addition, magnetic measurements
                      coupled with preliminary single-crystal elastic neutron
                      scattering experiments exhibited antiferromagnetic ordering
                      with a Néel temperature (TN) of 36 K with a complex
                      magnetic structure involving the doubling of all
                      orthorhombic axes.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-ILL},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-ILL-20110128},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      experiment   = {EXP:(DE-Juel1)ILL-IN12-20150421},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000860024300001},
      doi          = {10.1021/acs.cgd.2c00631},
      url          = {https://juser.fz-juelich.de/record/910190},
}