Synthesis of three layer NaxCoO2 (x=0.3, 0.5, 0.6, 0.75, 1.0) and superconductivity in three layer Na0.3CoO2 • 1.3H2O

被引：0

作者：

Foo, ML ^{[1
]}

Klimczuk, T ^{[1
]}

Li, L ^{[1
]}

Ong, NP ^{[1
]}

Cava, RJ ^{[1
]}

Huang, Q ^{[1
]}

Lynn, JW ^{[1
]}

Zandbergen, HW ^{[1
]}

机构：

[1] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA

来源：

Solid-State Chemistry of Inorganic Materials V | 2005年 / 848卷

关键词：

D O I：

暂无

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The synthesis of three layer sodium cobalt oxide, NaxCoO2 (x=0.3, 0.5, 0.6, 0.75 and 1.0) is reported. For x=0.6, 0.75, and 1.0, conventional solid-state synthesis was employed. x=0.3 and 0.5 were obtained via oxidative deintercalation of sodium at room temperature. x=0.3 can be hydrated to Na0.3CoO2 center dot 1.3H(2)O which is superconducting with a T-c of 4.3 K. Although having the same chemical stiochiometry as the previously reported two layer superconductor, it has a different stacking sequence Of CoO2 layers making it structurally distinct. Crystals of three layer NaCoO2 show triangular morphology compared to hexagonal morphology for two layer Na0.7CoO2.

引用

页码：275 / 280

页数：6

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