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@ARTICLE{Britvin:449035,
      author       = {Britvin, Sergey and Vereshchagin, Oleg and
                      Krzhizhanovskaya, Maria and Gorelova, Liudmila and
                      Pakhomova, Anna and Bykov, Maxim and Shilovskikh, Vladimir
                      V. and Vlasenko, Natalia S. and Zaitsev, Anatoly N. and
                      Zolotarev, Andrey A. and Lozhkin, Maksim S. and Nestola,
                      Fabrizio},
      title        = {{D}iscovery of terrestrial allabogdanite
                      $({F}e,{N}i)_{2}{P}$, and the effect of {N}i and {M}o
                      substitution on the barringerite-allabogdanite high-pressure
                      transition},
      journal      = {American mineralogist},
      volume       = {105},
      issn         = {1945-3027},
      address      = {Alexandria, Va.},
      publisher    = {GeoScienceWorld},
      reportid     = {PUBDB-2020-03569},
      pages        = {1-35},
      year         = {2020},
      note         = {Paper ahead of print},
      abstract     = {Minerals formed at high pressures are sensitive indicators
                      of extreme pressure-temperature conditions that occur in
                      nature. The discovery of the high-pressure polymorph of
                      (Fe,Ni)$_2$P, allabogdanite in the surficial pyrometamorphic
                      rocks of the Hatrurim Formation (the Mottled Zone)
                      surrounding the Dead Sea basin in Israel is the first
                      terrestrial occurrence of a mineral previously only found in
                      iron meteorites. Stepwise annealing experiments demonstrate
                      that allabogdanite is metastable at ambient pressure and
                      that it irreversibly transforms into its low-pressure
                      polymorph, barringerite, upon heating to 850±50°C.
                      High-pressure high-temperature diamond-anvil cell (DAC)
                      experiments confirm the results of annealing experiments.
                      The DAC data indicate that Hatrurim allabogdanite is
                      metastable below 7.4 GPa, and the low- to high-pressure
                      phase transition (barringerite→allabogdanite) occurs at
                      25±3 GPa and 1400±100°C. The observed transition pressure
                      of Hatrurim allabogdanite is significantly higher than that
                      of pure synthetic Fe$_2$P (8 GPa), due to partial
                      substitution of Fe for Ni (4 wt.\%) and Mo (2.5 wt.\%).
                      Because the influence of substituting impurities on the
                      conditions of phase transitions can be unexpectedly strong,
                      our findings confirm that caution should be exercised when
                      extrapolating data from experiments on synthetic compounds
                      to natural systems. Based on the discovery of terrestrial
                      allabogdanite (Fe,Ni)$_2$P coupled with experiments probing
                      the phase transitions in this natural composition, we
                      contend that terrestrial allabogdanite formed via
                      transformation from barringerite and posit potential
                      scenarios of its formation.},
      cin          = {DOOR ; HAS-User / FS-PET-D},
      ddc          = {540},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PET-D-20190712},
      pnm          = {6211 - Extreme States of Matter: From Cold Ions to Hot
                      Plasmas (POF3-621) / 6G3 - PETRA III (POF3-622) /
                      FS-Proposal: I-20190536 (I-20190536)},
      pid          = {G:(DE-HGF)POF3-6211 / G:(DE-HGF)POF3-6G3 /
                      G:(DE-H253)I-20190536},
      experiment   = {EXP:(DE-H253)P-P02.2-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000673958300009},
      doi          = {10.2138/am-2021-7621},
      url          = {https://bib-pubdb1.desy.de/record/449035},
}