Relationship between Quadrupole Splitting and Filling Ratio <i>x</i> in Yb<sub><i>x</i></sub>Fe<sub>4</sub>Sb<sub>12</sub>
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- Tamura Ichiro
- Physics Laboratory, Faculty of Pharmaceutical Sciences, University of Toyama
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- Ikeno Tsuyoshi
- Department of Physics, University of Toyama
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- Mizushima Toshio
- Department of Physics, University of Toyama
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- Isikawa Yosikazu
- Department of Physics, University of Toyama
書誌事項
- タイトル別名
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- Relationship between Quadrupole Splitting and Filling Ratio <I>x</I> in Yb<I><SUB>x</SUB></I>Fe<SUB>4</SUB>Sb<SUB>12</SUB>
- 公開日
- 2007
- DOI
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- 10.1143/jpsj.76.065004
- 公開者
- 一般社団法人 日本物理学会
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説明
In a previous paper, the authors studied two samples of YbxFe4Sb12 (#1 and #2) by the Fe Mossbauer effect; it was found that the quadrupole splitting (QS 1⁄4 eqQ=2) for YbxFe4Sb12 (#1) at each temperature was slightly less than that for YbxFe4Sb12 (#2), thereby leading the authors to conjecture that the filling ratio x of Yb atoms in YbxFe4Sb12 (#2) was smaller than x in YbxFe4Sb12 (#1). However, in more recent papers, Ikeno et al. concluded that the ferromagnetic-transition temperature TC decreased with increasing x. From the relationship of x versus TC, the filling ratios in YbxFe4Sb12 (#1) and YbxFe4Sb12 (#2) are estimated at x 0:89 and x & 0:92, respectively. This indicates that x in YbxFe4Sb12 (#2) is larger than x in YbxFe4Sb12 (#1). In this paper, we explain the causation of the fact that QS increases with increasing x, and obtain the value of x in YbxFe4Sb12 (#2). The electric-field gradient eq at the Fe site is expressed as follows:
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ
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Ｊｏｕｒｎａｌ ｏｆ ｔｈｅ Ｐｈｙｓｉｃａｌ Ｓｏｃｉｅｔｙ ｏｆ Ｊａｐａｎ 76 (6), 065004-065004, 2007
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679171083264
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- NII論文ID
- 130005296913
- 210000106755
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- ISSN
- 13474073
- 00319015
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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