スピン梯子化合物SrCu_2O_3およびSr_2Cu_3O_5の圧力誘起構造相転移 Pressure Induced Structual Transitions of Spin Ladder Compounds SrCu_2O_3 and Sr_2Cu_3O_5

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Pressure induced phase transitions were found in spin ladder compounds SrCu<SUB>2</SUB>O<SUB>3</SUB> and Sr<SUB>2</SUB>Cu<SUB>3</SUB>O<SUB>5</SUB> by powder X-ray diffraction (XRD) experiment with diamond anvil cell (DAC) and synchrotron radiation. The structure of the HP phase of SrCu<SUB>2</SUB>O<SUB>3</SUB> was successfully solved by Rietvelt analysis. In the orthorhombic structure (space group Pmmn) with unit-cell parameters of a=10.628Å, b=3.885Å and c=3.282Å, the Cu<SUB>2</SUB>O<SUB>3</SUB> planes at SrCu<SUB>2</SUB>O<SUB>3</SUB> became "fluttering" as that of CaCu<SUB>2</SUB>O<SUB>3</SUB>. Application of an external pressure induced a structural transition as a substitution of smaller cation (Ca for Sr) did.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 49(5), 377-381, 2002-05-15

    一般社団法人 粉体粉末冶金協会

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  • NII論文ID(NAID)
    10008559529
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    6169330
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
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    CJP書誌  CJP引用  NDL  J-STAGE 
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