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@ARTICLE{Burghaus:16639,
      author       = {Burghaus, J. and Sougrati, M. T. and Möchel, A. and
                      Houben, A. and Hermann, R. and Dronskowski, R.},
      title        = {{L}ocal ordering and magnetism in {G}a0.9{F}e3.1{N}},
      journal      = {Journal of solid state chemistry},
      volume       = {184},
      issn         = {0022-4596},
      address      = {Orlando, Fla.},
      publisher    = {Academic Press},
      reportid     = {PreJuSER-16639},
      pages        = {2315 - 2321},
      year         = {2011},
      note         = {The FRM II is acknowledged for providing neutron beamtime
                      on PGAA, and Lea Canella is acknowledged for assistance
                      during the data acquisition. RH acknowledges support from
                      the Helmholtz-University Young Investigator Group "Lattice
                      Dynamics in Emerging Functional Materials". We also thank
                      DFG for having funded this study.},
      abstract     = {Prior investigations of the ternary nitride series
                      Ga1-xFe3+xN (0 <= x <= 1) have indicated a transition from
                      ferromagnetic gamma'-Fe4N to antiferromagnetic "GaFe3N". The
                      ternary nitride "GaFe3N" has been magnetically and
                      spectroscopically reinvestigated in order to explore the
                      weakening of the ferromagnetic interactions through the
                      gradual incorporation of gallium into gamma'-Fe4N. A
                      hysteretic loop at RI reveals the presence of a minority
                      phase of only 0.1-0.2 $at\%,$ in accord with the sound
                      two-step synthesis. The composition of the gallium-richest
                      phase "GaFe3N" was clarified by Prompt Gamma-ray Activation
                      Analysis and leads to the berthollide formula
                      Ga0.91(1)Fe3.09(10)N1.05(7). Magnetic measurements indicate
                      a transition around 8 K, further supported by Mossbauer
                      spectral data. The weakening of the ferromagnetic coupling
                      through an increasing gallium concentration is explained by
                      a simple Stoner argument. In Ga0.9Fe3.1N, the presence of
                      iron on the gallium site affects the magnetism by the
                      formation of 13-atom iron clusters. (C) 2011 Elsevier Inc.
                      All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {JARA-FIT / JCNS-2 / PGI-4},
      ddc          = {540},
      cid          = {$I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-2-20110106 /
                      I:(DE-Juel1)PGI-4-20110106},
      pnm          = {Grundlagen für zukünftige Informationstechnologien /
                      Großgeräte für die Forschung mit Photonen, Neutronen und
                      Ionen (PNI)},
      pid          = {G:(DE-Juel1)FUEK412 / G:(DE-Juel1)FUEK415},
      experiment   = {EXP:(DE-MLZ)PGAA-20140101},
      shelfmark    = {Chemistry, Inorganic $\&$ Nuclear / Chemistry, Physical},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000294835700001},
      doi          = {10.1016/j.jssc.2011.06.031},
      url          = {https://juser.fz-juelich.de/record/16639},
}