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- 松下 信之
- 東京大学大学院総合文化研究科広域科学専攻相関基礎科学系・化学
書誌事項
- タイトル別名
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- Single Crystal X-Ray Structure Analysis under High Pressure Using He Gas as a Pressure Transmitting Medium. Crystal Structure of Mixed-Valence Complexes Cs2AuIAuIIIX6.
- ヘリウムガス バイタイ ニ ヨル コウアツカタンケッショウ Xセン コウゾウ
- Crystal Structure of Mixed-Valence Complexes Cs<SUB>2</SUB>Au<SUP>I</SUP>Au<SUP>III</SUP>X<SUB>6</SUB>
- 混合原子価錯体Cs<SUB>2</SUB>Au<SUP>I</SUP>Au<SUP>III</SUP>X<SUB>6</SUB>の結晶構造
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抄録
In this report, a technique of single-crystal X-ray diffraction measurements under high pressures, using a diamond-anvil-cell with helium gas as an inert and hydrostatic pressure-transmitting medium, is introduced. The technique has been applied to three-dimensional halogen-bridged mixed-valence gold complexes, Cs2AuIAuIIIX6 (X=Cl, I) to investigate the mixed-valence state and the crystal structure under high pressures up to 18 GPa and 7. 5 GPa, respectively. The pressure dependences of the unit cell parameters indicate that structural phase transitions occur from tetragonal to cubic at 12. 5 GPa for the Cl-bridged complex, and from tetragonal to monoclinic at 6. 0 GPa for the I-bridged complex. The Cl-bridged complex in the higher pressure phase has a space group, Pm3m and the cubic Perovskite-type structure.
収録刊行物
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- 高圧力の科学と技術
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高圧力の科学と技術 8 (4), 280-286, 1998
日本高圧力学会
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詳細情報 詳細情報について
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- CRID
- 1390001204382073728
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- NII論文ID
- 10002849546
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- NII書誌ID
- AN10452913
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- ISSN
- 13481940
- 0917639X
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- NDL書誌ID
- 4621291
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可