Na4C60: An alkali intercalated two-dimensional polymer

被引：135

作者：

Oszlanyi, G ^{[1
]}

Baumgartner, G ^{[1
]}

Faigel, G ^{[1
]}

Forro, L ^{[1
]}

机构：

[1] ECOLE POLYTECH FED LAUSANNE,DEPT PHYS,CH-1015 LAUSANNE,SWITZERLAND

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.78.4438

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The long-missing stoichiometric phase of Na4C60 has been identified by Rietveld analysis of synchrotron powder diffraction data. Its monoclinic structure is based on polymer planes of C-60 where each molecule forms four ''single'' bonds within the plane. This compound is net only the first fulleride polymer with such bonds, but also the first two-dimensional polymer which is naturally intercalated with alkali ions and can be synthesized at ambient pressure. Na4C60 is a metal and is expected to be a prototype structure where electronic overlap between the planes can be tuned by the alkali cation size.

引用

页码：4438 / 4441

页数：4

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