Theoretical and Experimental Studies on Gadolinium at Ultra High Pressure

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The high-pressure structural phase transformations in gadolinium (Gd) were studied by energy-dispersive x-ray diffraction up to 118 GPa at room temperature using a synchrotron source. Gadolinium undergoes five transitions: h. c. p→Smtype→double-h. c. p→f. c. c→distorted f. c. c→b. c. m (body-centered monoclinic), with increasing pressures. The last transition to b. c. m occurs at 59±2 GPa, accompanied by a volume collapse of about 5%. We suggest that this low-symmetry structure and volume collapse in gadolinium is analogous to the well-known electronic transition in cerium metal related to loss of magnetic moment and eventual delocalization of f-shell under pressure.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 233-235, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002689576
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4493888
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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