水素結合ネットワークの組み替え運動 Rearrangement Dynamics of The Hydrogen-Bond Network in Liquid Water

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In liquid state water molecules form the random and percolated network of hydrogen bonds. In order to understand the collective motion of this network, the local radial distribution function was observed with the molecular dynamics simulation. The molecule alternately goes through the structured period and the destructured period. By comparing with the neutron scattering data it is shown that the cluster of the structured molecules resembles to low-density amorphous (LDA) ice, and the cluster of the destructured molecules resembles to the high-density amorphous (HDA) ice. Simulated liquid water, therefore, is a composite of the LDA-like clusters and the HDA-like clusters. The collective network rearrangement motion at the room temperature can be regarded as a molecular scale precursor of the hypothetical transition between high-density liquid (HDL) water and low-density liquid (LDL) water in the supercooled region.

収録刊行物

  • 日本結晶学会誌

    日本結晶学会誌 40(1), 101-106, 1998-02-28

    The Crystallographic Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002590427
  • NII書誌ID(NCID)
    AN00188364
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03694585
  • NDL 記事登録ID
    4446295
  • NDL 雑誌分類
    ZM46(科学技術--地球科学--岩石・鉱物・鉱床)
  • NDL 請求記号
    Z15-138
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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