DOI: 10.1557/jmr.2003.0152. Observation and formation mechanism of stable face-centered-cubic Fe nanorods in carbon nanotubes

Observation and formation mechanism of stable face-centered-cubic Fe nanorods in carbon nanotubes

10.1557/jmr.2003.0152

Crossref journal-article

Springer Science and Business Media LLC

Journal of Materials Research (297)

Abstract

The crystallographic structure and orientation of iron nanoparticles present in carbon nanotubes (CNTs) was studied when iron was used as a catalyst. It was found that while most of the nanoparticles encapsulated inside the CNTs had the expected α–Fe (body-centered-cubic) phase, a significant number of them formed and retained the γ–Fe (face-centered-cubic) phase that is not the normal bulk phase at room temperature (nor even expected to form at the growth temperature used). It was also found iron particles at the tips of the nanotubes were either α–Fe or cementite (Fe3C). On the basis of these observations and thermodynamics, a mechanism for the formation of these particles and insights into CNT growth is proposed.

Bibliography

Kim, H., Kaufman, M. J., Sigmund, W. M., Jacques, D., & Andrews, R. (2003). Observation and formation mechanism of stable face-centered-cubic Fe nanorods in carbon nanotubes. Journal of Materials Research, 18(5), 1104â1108.

Authors 5

Hansoo Kim (first)
Michael J. Kaufman (additional)
Wolfgang M Sigmund (additional)
David Jacques (additional)
Rodney Andrews (additional)

References 33 Referenced 39

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Dates

Type	When
Created	17 years, 6 months ago (March 5, 2008, 9:46 p.m.)
Deposited	4 years, 6 months ago (Feb. 24, 2021, 3:13 p.m.)
Indexed	1 year ago (Aug. 12, 2024, 12:35 p.m.)
Issued	22 years, 4 months ago (May 1, 2003)
Published	22 years, 4 months ago (May 1, 2003)
Published Online	14 years, 7 months ago (Jan. 31, 2011)
Published Print	22 years, 4 months ago (May 1, 2003)

Funders 0

None

BibTeX

@article{Kim_2003, title={Observation and formation mechanism of stable face-centered-cubic Fe nanorods in carbon nanotubes}, volume={18}, ISSN={2044-5326}, url={http://dx.doi.org/10.1557/jmr.2003.0152}, DOI={10.1557/jmr.2003.0152}, number={5}, journal={Journal of Materials Research}, publisher={Springer Science and Business Media LLC}, author={Kim, Hansoo and Kaufman, Michael J. and Sigmund, Wolfgang M and Jacques, David and Andrews, Rodney}, year={2003}, month=may, pages={1104–1108} }

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