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@ARTICLE{Rodrguez:201673,
      author       = {Rodríguez, D. Martín and Plazaola, F. and Garitaonandia,
                      J. S. and Jiménez, J. A. and Apiñaniz, E.},
      title        = {{I}nfluence of volume and {F}e local environment on
                      magnetic properties of {F}e-rich {F}e–{A}l alloysft},
      journal      = {Intermetallics},
      volume       = {24},
      issn         = {0966-9795},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2015-03967},
      pages        = {38 - 49},
      year         = {2012},
      abstract     = {Fe-rich Fe–Al alloys present a large variety of magnetic
                      behaviors and mechanical deformation of those alloys affects
                      largely their magnetism. At room temperature alloys can be
                      ferromagnetic, paramagnetic or show magnetic
                      inhomogeneities, and at low temperatures spin-glass and
                      re-entrant spin-glass phenomena have been found.
                      Unfortunately, the mechanisms proposed in the literature to
                      explain the magnetism of these alloys and the increase of
                      the magnetic signal after deformation have discrepancies.
                      This paper, based on Mössbauer spectroscopy measurements,
                      with the support of X-ray diffraction and magnetic
                      measurements performed on annealed and deformed samples and
                      in a wide concentration range, proposes and describes a new
                      way to understand the magnetic behavior of this alloy
                      system. The data obtained from annealed samples confirm that
                      Fe local environment have influence on the intensity of the
                      competing exchange interactions (ferro- and
                      antiferromagnetic). However, it is necessary to take into
                      account the effect of the first and second nearest neighbor
                      shells to explain the different magnetic behaviors found in
                      this system. The data obtained from deformed samples show in
                      addition that Fe–Fe interatomic distance also plays an
                      important role on the magnetic properties of these alloys.
                      When the interatomic distance is increased, the
                      ferromagnetic exchange interaction is favored. The
                      mechanisms described in this report will explain phenomena
                      as the origin of the magnetic inhomogeneities on some of
                      these alloys, as well as its behavior at low temperatures
                      and the increase of magnetization caused by mechanical
                      deformation.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {451 - Soft Matter Composites (POF2-451) / 54G - JCNS
                      (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-451 / G:(DE-HGF)POF2-54G24},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000302432800007},
      doi          = {10.1016/j.intermet.2012.01.021},
      url          = {https://juser.fz-juelich.de/record/201673},
}