π plasmons in carbon nanotube bundles

被引：41

作者：

Lin, MF ^{[1
]}

Chuu, DS

机构：

[1] Natl Cheng Kung Univ, Dept Phys, Tainan 70101, Taiwan

[2] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 30050, Taiwan

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 16期

关键词：

D O I：

10.1103/PhysRevB.57.10183

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The pi-electronic collective excitations (pi plasmons) in carbon nanotube bundles are studied within the linear-response approximation. The intertube Coulomb interactions significantly affect the electronic excitations, so that the pi plasmons in nanotube bundles are quite different from those in a single nanotube. The pi plasmons strongly depend on the direction and magnitude of the transferred momentum. They clearly exhibit the anisotropic behavior. Moreover, the pi plasmon frequencies are lower for bundles made up of larger nanotubes.

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页码：10183 / 10187

页数：5

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