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@ARTICLE{Husband:612515,
      author       = {Husband, Rachel and Liermann, Hanns-Peter and McHardy,
                      James and Mcwilliams, Ryan Stewart and Goncharov, Alexander
                      and Prakapenka, Vitali and Edmund, Eric and Chariton, Stella
                      and Konopkova, Zuzana and Strohm, Cornelius and
                      Sanchez-Valle, Carmen and Frost, Mungo and
                      Andriambariarijaona, Leon and Appel, Karen and Baehtz,
                      Carsten and Ball, Orianna and Briggs, Richard and Buchen,
                      Johannes and Cerantola, Valerio and Choi, Jinhyuk and
                      Coleman, Amy and CYNN, HYUNCHAE and Dwivedi, Anand and
                      Graafsma, Heinz and Hwang, Huijeong and Koemets, Egor and
                      Laurus, Torsten and Lee, Yongjae and Li, Xinyang and
                      Marquardt, Hauke and Mondal, Anshuman and Nakatsutsumi,
                      Motoaki and NINET, Sandra and Pace, Edward and Pépin,
                      Charles and Prescher, Clemens and Stern, Stephan and
                      Sztuk-Dambietz, Jolanta and Zastrau, Ulf and McMahon,
                      Malcolm},
      title        = {{P}hase transition kinetics of superionic ${H}_2{O}$ ice
                      phases revealed by {MH}z {XFEL} heating experiments},
      journal      = {Nature Communications},
      volume       = {15},
      number       = {1},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Nature Publishing Group UK},
      reportid     = {PUBDB-2024-05368},
      pages        = {8256},
      year         = {2024},
      note         = {We acknowledge support from the Deutsche
                      For-schungsgemeinschaft (DFG) Research Unit FOR 2440 grants
                      SA2585/5-1 (R.J.H, A.M., C.S.V., and H.P.L) and AP262/2-2
                      (K.A.).},
      abstract     = {H2O transforms to two forms of superionic (SI) ice at high
                      pressures and temperatures, which contain highly mobile
                      protons within a solid oxygen sublattice. Yet the stability
                      field of both phases remains debated. Here, we present the
                      results of an ultrafast X-ray heating study utilizing MHz
                      pulse trains produced by the European X-ray Free Electron
                      Laser to create high temperature states of H2O, which were
                      probed using X-ray diffraction during dynamic cooling. We
                      confirm an isostructural transition during heating in the
                      26-69 GPa range, consistent with the formation of SI-bcc. In
                      contrast to prior work, SI-fcc was observed exclusively
                      above ~50 GPa, despite evidence of melting at lower
                      pressures. The absence of SI-fcc in these runs is attributed
                      to short heating timescales and the pressure-temperature
                      path induced by the pump-probe heating scheme in which H2O
                      was heated above its melting temperature before the
                      observation of quenched crystalline states, based on the
                      earlier theoretical prediction that SI-bcc nucleates more
                      readily from the fluid than SI-fcc. Our results may have
                      implications for the stability of SI phases in ice-rich
                      planets, for example during dynamic freezing, where the
                      preferential crystallization of SI-bcc may result in
                      distinct physical properties across mantle ice layers.},
      cin          = {FS-HIBEF / XFEL-User / $XFEL_E1_HED$ / FS-DS / DOOR ;
                      HAS-User / FS-PET-D},
      ddc          = {500},
      cid          = {I:(DE-H253)FS-HIBEF-20240110 /
                      I:(DE-H253)XFEL-User-20170713 /
                      $I:(DE-H253)XFEL_E1_HED-20210408$ /
                      I:(DE-H253)FS-DS-20120731 / I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PET-D-20190712},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / 6G3 - PETRA III (DESY) (POF4-6G3) / DFG project
                      280637173 - FOR 2440: Materie im Inneren von Planeten -
                      Hochdruck-, Planeten- und Plasmaphysik (280637173)},
      pid          = {G:(DE-HGF)POF4-631 / G:(DE-HGF)POF4-6G3 /
                      G:(GEPRIS)280637173},
      experiment   = {EXP:(DE-H253)XFEL-HED-20150101 /
                      EXP:(DE-H253)P-P02.2-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:39313509},
      UT           = {WOS:001320768800004},
      doi          = {10.1038/s41467-024-52505-0},
      url          = {https://bib-pubdb1.desy.de/record/612515},
}