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

页码：4523 / 4528

页数：6

共 29 条

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