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@INPROCEEDINGS{AitHaddouch:873844,
      author       = {Ait Haddouch, Mohammed and VOIGT, JÖRG and FRIESE, KAREN
                      and EICH, ANDREAS and PERßON, JÖRG and BUDZIANOWSKI,
                      ARMAND and VIOLINI, NICOLÒ and YOKAICHIYA, FABIANO and
                      ADROJA, DEVASHIBHAI and BRÜCKEL, THOMAS},
      title        = {{M}agnetic phase diagram of the magnetocaloric compound
                      {M}n{F}e{S}i},
      reportid     = {FZJ-2020-01046},
      year         = {2020},
      abstract     = {We have studied the magnetic phases of single-crystalline
                      Mn3Fe2Si3 by neutron diffraction and magnetization
                      measurements. Within the series Mn5−xFexSi3, an inverse
                      magneto-caloric effect (MCE) has been observed for x=0,
                      while for x=4 a moderately high direct MCE occurs [1].
                      Similarly to the parent compound Mn5Si3, Mn3Fe2Si3 exhibits
                      two antiferromagnetic phase transitions to an AF1 and AF2
                      phase, respectively. The transition from AF1 → AF2 gives
                      rise to an inverse MCE, i.e. the magnetic entropy is
                      increased by the application of a magnetic field, albeit
                      with complex field and temperature dependences. We discuss
                      these changes in light of the preferential replacement of Mn
                      by Fe on one of the two distinct lattice sites of the
                      crystal structure (space group P63/mcm at RT). This leads to
                      an increase in the transition temperatures and critical
                      fields when compared to Mn5Si3. In addition, we find hints
                      for ferromagnetic short-range correlations, which persist at
                      temperatures twice as high as the Neel temperature. [1]
                      Songlin et al, J. Alloys Compd, 334, 249−252 (2002)},
      month         = {Mar},
      date          = {2020-03-15},
      organization  = {DPG-Frühjahrstagung der Sektion
                       Kondensierte Materie (SKM), Technischen
                       Universität Dresden, Campus
                       Südvorstadt (Germany), 15 Mar 2020 -
                       20 Mar 2020},
      subtyp        = {Invited},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-ESS},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-ESS-20170404},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
                      G:(DE-HGF)POF3-6G4},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/873844},
}