Pressure-induced phase transition into the primitive orthorhombic lattice of synthetic lawsonite

DOI
  • Okamoto Keitaro
    Department of Earth Science, Graduate School of Science, Tohoku University
  • Kakizawa Sho
    Geodynamics Research Center, Ehime University
  • Inoue Toru
    Geodynamics Research Center, Ehime University Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University Hiroshima Institute of Plate Convergence Region Research, Hiroshima University
  • Kuribayashi Takahiro
    Department of Earth Science, Graduate School of Science, Tohoku University
  • Nagase Toshiro
    Tohoku University Museum, The Center for Academic Resources and Archives, Tohoku University

Bibliographic Information

Other Title
  • 合成ローソン石の単純直方格子への圧力誘起相転移

Abstract

Lawsonite whose space group is Cmcm under ambient condition undergoes a phase transition into the primitive orthorhombic lattice around 4 GPa. To compare this pressure-induced phase transition with the low-temperature phase transition at 273 K, the space group of lawsonite under high-pressure was restricted by in-situ X-ray diffraction experiments on a single-crystal of synthetic lawsonite using a synchrotron radiation source. As a result, the space group was limited to Pmcn or P21cn. The structural refinement in the former shows the lower R-value.

Journal

Keywords

Details 詳細情報について

  • CRID
    1390846609793542528
  • NII Article ID
    130007786178
  • DOI
    10.14824/jakoka.2018.0_55
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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