Formation of carbon nanotubes under conditions of Co + C60 film

V. Lavrentiev; Hiroaki Abe; S. Yamamoto; H. Naramoto; K. Narumi

doi:10.1016/S0921-4526(02)01031-1

Formation of carbon nanotubes under conditions of Co + C₆₀ film

V. Lavrentiev, Hiroaki Abe, S. Yamamoto, H. Naramoto, K. Narumi

Materials Design Division

Research output: Contribution to journal › Conference article › peer-review

17 Citations (Scopus)

Abstract

A new technique for single-wall carbon nanotube (SWNT) synthesis by simultaneous deposition of C₆₀ and cobalt is reported. A study of Co + C₆₀ mixture films by high-resolution transmission electron microscopy (TEM) revealed an existence of SWNTs even at room temperature. Thus, carbon nanotubes filled by some atomic row have been found nearby C₆₀ polymeric chains. Within amorphous carbon region the smallest nanotube with a diameter of 0.4nm has also been observed as a continuation of filled SWNT. Analysis of Raman spectra discovered an intense growth of SNWTs in the mixture after annealing at 300°C. Based on TEM and Raman experiments, the conversion of Co-C₆₀ polymeric chains into Co-filled SWNTs is discussed.

Original language	English
Pages (from-to)	303-305
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	323
Issue number	1-4
DOIs	https://doi.org/10.1016/S0921-4526(02)01031-1
Publication status	Published - 2002 Oct 1
Event	Proceedings of the Tsukuba Symposium on Carbon Nanotube in Com (CNT10) - Tsukuba, Japan Duration: 2001 Oct 3 → 2001 Oct 5

Keywords

Carbon nanotubes
Cobalt
Deposition
Mixture

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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abstract = "A new technique for single-wall carbon nanotube (SWNT) synthesis by simultaneous deposition of C60 and cobalt is reported. A study of Co + C60 mixture films by high-resolution transmission electron microscopy (TEM) revealed an existence of SWNTs even at room temperature. Thus, carbon nanotubes filled by some atomic row have been found nearby C60 polymeric chains. Within amorphous carbon region the smallest nanotube with a diameter of 0.4nm has also been observed as a continuation of filled SWNT. Analysis of Raman spectra discovered an intense growth of SNWTs in the mixture after annealing at 300°C. Based on TEM and Raman experiments, the conversion of Co-C60 polymeric chains into Co-filled SWNTs is discussed.",

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AU - Lavrentiev, V.

AU - Abe, Hiroaki

AU - Yamamoto, S.

AU - Naramoto, H.

AU - Narumi, K.

PY - 2002/10/1

Y1 - 2002/10/1

N2 - A new technique for single-wall carbon nanotube (SWNT) synthesis by simultaneous deposition of C60 and cobalt is reported. A study of Co + C60 mixture films by high-resolution transmission electron microscopy (TEM) revealed an existence of SWNTs even at room temperature. Thus, carbon nanotubes filled by some atomic row have been found nearby C60 polymeric chains. Within amorphous carbon region the smallest nanotube with a diameter of 0.4nm has also been observed as a continuation of filled SWNT. Analysis of Raman spectra discovered an intense growth of SNWTs in the mixture after annealing at 300°C. Based on TEM and Raman experiments, the conversion of Co-C60 polymeric chains into Co-filled SWNTs is discussed.

AB - A new technique for single-wall carbon nanotube (SWNT) synthesis by simultaneous deposition of C60 and cobalt is reported. A study of Co + C60 mixture films by high-resolution transmission electron microscopy (TEM) revealed an existence of SWNTs even at room temperature. Thus, carbon nanotubes filled by some atomic row have been found nearby C60 polymeric chains. Within amorphous carbon region the smallest nanotube with a diameter of 0.4nm has also been observed as a continuation of filled SWNT. Analysis of Raman spectra discovered an intense growth of SNWTs in the mixture after annealing at 300°C. Based on TEM and Raman experiments, the conversion of Co-C60 polymeric chains into Co-filled SWNTs is discussed.

KW - Carbon nanotubes

KW - Cobalt

KW - Deposition

KW - Mixture

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