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第51号 >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10258/127

タイトル: NaCl型構造を持つ希土類アンチモン化合物の圧力誘起相転移
その他のタイトル: Pressure-induced Phase Transition of LnSb(Ln=lanthanide) with a NaCl-type Stucture
著者: 林, 純一
城谷, 一民
キーワード: high-pressure
synchrotron radiation
X-ray diffraction
lanthanide antimonide
phase transition
Issue Date: Nov-2001
出版者: 室蘭工業大学
引用: 室蘭工業大学紀要 No.51, pp.191-199, 2001
タイプ: Journal Article
抄録: By use of synchrotron radiation we have studied X-ray diffraction of LnSb(Ln=lanthanide) with a NaCl-type structure up to 35 GPa at room temperature. Pressure-induced phase transitions of LnSb were found at room temperature. The phase transition with a crystallographic change occur at around 13 GPa for PrSb and 24 GPa for LuSb. The high-pressure phase of LnSb is classified into three groups. The lighrer LnSb(Ln=La, Ce, Pr and Nd) have a tetragonal structure (distorted CsCl-type) at high pressures. The structure of the high pressure phase of middle LnSb(Ln=Sm, Gd and Tb)is unknown. The heavier LnSb(Ln=Dy, Ho, Ef, Tm, Lu and Y) have a CsCl-type structure at high pressures. The high-pressure structural behavior of LnSb is discussed. We have obtained the bulk moduli of LnSb with the NaCl-type structure.
URI: http://hdl.handle.net/10258/127
Appears in Collections:第51号

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