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@ARTICLE{Trautner:619357,
      author       = {Trautner, Viktoria and Rijal, A. and Plueckthun, C. and
                      Satta, N. and Koemets, E. and Buchen, J. and Wang, B. and
                      Glazyrin, K. and Cobden, L. and Marquardt, H.},
      title        = {{I}ron {C}ontent‐{D}ependence of {F}erropericlase
                      {E}lastic {P}roperties {A}cross the {S}pin {C}rossover
                      {F}rom {N}ovel {E}xperiments and {M}achine {L}earning},
      journal      = {Geophysical research letters},
      volume       = {51},
      number       = {22},
      issn         = {0094-8276},
      address      = {Hoboken, NJ},
      publisher    = {Wiley},
      reportid     = {PUBDB-2024-07576},
      pages        = {e2024GL111276},
      year         = {2024},
      abstract     = {The iron spin crossover in (Mg$_{1-x}$Fe$_x$)O
                      ferropericlase causes changes to its physical properties
                      that are expected to affect seismic velocities in Earth's
                      lower mantle. We present new time-resolved pressure-volume
                      measurements of iron-rich ferropericlase (x$_{Fe}$ = 0.40,
                      0.59) and combine the results with literature data with
                      x$_{Fe}$ = 0.04–0.6 to investigate the dependence of
                      ferropericlase elastic properties on iron content. We infer
                      the relationship between unit-cell volume, pressure and iron
                      content directly from the data by training Mixture Density
                      Networks and derive bulk modulus, density and bulk sound
                      velocity from the outputs. This allows us to constrain the
                      effect of the spin crossover on these properties and
                      estimate their uncertainties for different iron contents.
                      Our findings indicate that the spin crossover may
                      significantly alter the physical properties of
                      ferropericlase in iron-enriched regions in the lowermost
                      mantle, with implications for the interpretation of seismic
                      heterogeneities observed near the core-mantle boundary.},
      cin          = {DOOR ; HAS-User / FS-PET-D / FS-PET-S},
      ddc          = {550},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-PET-D-20190712
                      / I:(DE-H253)FS-PET-S-20190712},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / 6G3 - PETRA III (DESY) (POF4-6G3) / DEEP-MAPS -
                      Deep Earth Mantle Phase Transition Maps: Studied by
                      Time-Resolved Experiments (864877)},
      pid          = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G3 /
                      G:(EU-Grant)864877},
      experiment   = {EXP:(DE-H253)P-P02.2-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001368886500001},
      doi          = {10.1029/2024GL111276},
      url          = {https://bib-pubdb1.desy.de/record/619357},
}