Symmetry properties of single-walled boron nitride nanotubes

被引：37

作者：

Alon, OE ^{[1
]}

机构：

[1] Technion Israel Inst Technol, Dept Chem, IL-32000 Haifa, Israel

来源：

PHYSICAL REVIEW B | 2001年 / 64卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.64.153408

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The symmetry operations for armchair, zigzag, and chiral boron nitride nanotubes (BN-NT's) axe identified. It is found that each type belongs to a different family of nonsymmorphic rod groups. Armchair BN-NT's with even index n are found to be centrosymmetric. We determine the numbers of Raman- and infrared-active vibrations in single-walled BN-NT's. We find that, in contrast to achiral carbon nanotubes, zi-zag BN-NT's possess almost twice the Raman- and infrared-active vibrations as armchair BN-NT's.

引用

页数：4

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