Abstract
This work presents a systematic study of the ratio between the integrated intensities of the disorder-induced D and G Raman bands (ID∕IG) in nanographite samples with different crystallite sizes (La) and using different excitation laser energies. The crystallite size La of the nanographite samples was obtained both by x-ray diffraction using synchrotron radiation and directly from scanning tunneling microscopy images. A general equation for the determination of La using any laser energy in the visible range is obtained. Moreover, it is shown that ID∕IG is inversely proportional to the fourth power of the laser energy used in the experiment.
Bibliography
Cançado, L. G., Takai, K., Enoki, T., Endo, M., Kim, Y. A., Mizusaki, H., Jorio, A., Coelho, L. N., Magalhães-Paniago, R., & Pimenta, M. A. (2006). General equation for the determination of the crystallite size La of nanographite by Raman spectroscopy. Applied Physics Letters, 88(16).
References
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Dates
Type | When |
---|---|
Created | 19 years, 4 months ago (April 18, 2006, 6:16 p.m.) |
Deposited | 2 years, 1 month ago (June 24, 2023, 9:42 p.m.) |
Indexed | 12 minutes ago (Aug. 24, 2025, 5:22 p.m.) |
Issued | 19 years, 4 months ago (April 17, 2006) |
Published | 19 years, 4 months ago (April 17, 2006) |
Published Online | 19 years, 4 months ago (April 19, 2006) |
Published Print | 19 years, 4 months ago (April 17, 2006) |
@article{Can_ado_2006, title={General equation for the determination of the crystallite size La of nanographite by Raman spectroscopy}, volume={88}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2196057}, DOI={10.1063/1.2196057}, number={16}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Cançado, L. G. and Takai, K. and Enoki, T. and Endo, M. and Kim, Y. A. and Mizusaki, H. and Jorio, A. and Coelho, L. N. and Magalhães-Paniago, R. and Pimenta, M. A.}, year={2006}, month=apr }