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Double-walled carbon nanotubes fabricated by a hydrogen arc discharge method

Abstract:

Double walled carbon nanotubes (DWNTs) were obtained by the arc discharge technique in an atmosphere of Ar and H2 mixture (1:1/v:v) at 350 Torr. The catalyst was prepared from a mixture of Ni, Co, Fe and S powders heated in an inert gas atmosphere at 500°C for 1 h. High resolution electron microscopy (HREM) revealed that the dominant type of obtained nanotubes were DWNTs with outer diameter in the range of 1.9-5 nm and inner tube diameters in the range 1.1-4.2 nm. As a rule, the DWNT tubes fo...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
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Journal:
CARBON
Volume:
39
Issue:
5
Pages:
761-770
Publication date:
2001-01-01
DOI:
ISSN:
0008-6223
URN:
uuid:7ced2460-d899-4866-876f-10dd4bc70d77
Source identifiers:
20458
Local pid:
pubs:20458

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