Synthesis of the Clathrate-I Phase Ba8-xSi46 via Redox Reactions

被引：31
|
作者：
Liang, Ying [1 ]
Boehme, Bodo [1 ]
Reibold, Marianne [2 ]
Schnelle, Walter [1 ]
Schwarz, Ulrich [1 ]
Baitinger, Michael [1 ]
Lichte, Hannes [2 ]
Grin, Yuri [1 ]
机构：
[1] Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany
[2] Tech Univ Dresden, Triebenberg Lab, D-01328 Dresden, Germany
来源：
INORGANIC CHEMISTRY | 2011年 / 50卷 / 10期
关键词：
INTERMETALLIC CLATHRATE; CRYSTAL-STRUCTURE; HIGH-PRESSURES; SILICON; SUPERCONDUCTIVITY; SI; OXIDATION; COMPOUND; BA8SI46; HCL;
D O I：
10.1021/ic2001859
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The clathrate-I phase Ba8-xSi46 (space group Pm (3) over barn) was synthesized by oxidation of Ba4Li2Si6 with gaseous HCl. Microcrystalline powders of the clathrate phase were obtained within a few minutes. The reaction temperature and the pressure of HCl were optimized to achieve good-quality crystalline products with a composition range of 1.3 < x < 1.9. The new preparation route presented here provides an alternative to the high-pressure synthesis applied so far.
引用
收藏
页码：4523 / 4528
页数：6
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