Cd-Yb近似結晶の低温高圧下で現れる多様な構造秩序 Various Types of Structural Ordering in a Cd-Yb Crystalline Approximant Under High Pressure and Low Temperature

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著者

    • 綿貫 徹 WATANUKI Tetsu
    • 日本原子力研究開発機構 放射光科学研究ユニット Japan Atomic Energy Agency, Synchrotron Radiation Research Center

抄録

High pressure and low temperature X-ray diffraction study of Cd-Yb 1/1 crystalline approximant revealed that the innermost part of the atomic clusters of Cd4 tetrahedra exhibit various types of orientational ordering sensitively depending on pressure and temperature. Five ordered phases appeared in a <I>P-T</I> span up to 5.2 GPa and down to 10 K. The propagation direction of ordering alternated from [1 10] to ‹ 111› at about 1.0 GPa and again to [110] at 3.5-4.3 GPa. The primarily ordered phases that appeared by cooling to 210-250 K between 1-5.2 GPa further transformed to finely ordered ones at 120-155 K. Coexistence of two different types of interaction between Cd4 tetrahedra cause these complicated phase behavior.

収録刊行物

  • 日本結晶学会誌  

    日本結晶学会誌 49(1), 45-50, 2007-02-27 

    The Crystallographic Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018571741
  • NII書誌ID(NCID)
    AN00188364
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    03694585
  • NDL 記事登録ID
    8717229
  • 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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