ELECTRON-ENERGY-LOSS SPECTRA OF SINGLE-SHELL CARBON NANOTUBES

被引：63

作者：

KUZUO, R

TERAUCHI, M

TANAKA, M

SAITO, Y

机构：

[1] TOHOKU UNIV, SCI MEASUREMENTS RES INST, SENDAI, MIYAGI 980, JAPAN

[2] MIE UNIV, FAC ENGN, DEPT ELECT ENGN, TSU, MIE 514, JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1994年 / 33卷 / 9B期

关键词：

CARBON NANOTUBE; SINGLE-SHELL TUBE; FULLERENE; EELS; BULK PLASMON; INTERBAND TRANSITION;

D O I：

10.1143/JJAP.33.L1316

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Transmission electron energy-loss spectra of single-shell carbon nanotubes were measured and compared with those of multishell carbon nanotubes and graphite. Two peaks due to the pi plasmon and the pi + sigma plasmon were observed at 5.8 eV and 20.6 eV, respectively. The energy of the ir plasmon takes a value between those of two kinds of multishell tubes. The energy of the pi + sigma plasmon is lower than those of multishell tubes and graphite by 2 eV and 6 eV, respectively. The 1s --> pi* and 1s --> sigma* transition peaks of the single-shell tubes are much broader than those of the multishell tubes and graphite. The reason for the broadening may be due to the strong curving of the graphitic sheets.

引用

页码：L1316 / L1319

页数：4

共 22 条

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