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Near-edge x-ray absorption of carbon materials for determining bond hybridization in mixed sp 2/sp 3 bonded materials
Abstract
Near-edge x-ray absorption fine structure (NEXAFS) measurements were performed on a variety of carbon materials, covering a range of hybrid bonding character from pure sp3 type to pure sp2 type. Diamond, chemical vapor deposited (CVD) diamond films of varying quality. Diamond-like carbon (DLC) films, and graphite were examined with this technique and these measurements were compared with Raman spectroscopy results and scanning electron microscopy images of carbon film morphology. For the mixed sp2 and sp3 bonded DLC materials, NEXAFS does not suffer from the large Raman cross-section difference between sp2 and sp3 type bonds, thus allowing unambiguous characterization of carbon thin films with a broader range of sp2/sp3 bonding ratios than possible with Raman spectroscopy alone. This capability was used to determine the transition point where the sequential-CVD carbon film growth technique produces predominately sp3 or sp2 bonded material.
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Cited by
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Jeon, K.-J., Lee, Z., Pollak, E., Moreschini, L., Bostwick, A., Park, C.-M., Mendelsberg, R., Radmilovic, V., Kostecki, R., Richardson, T. J., et al. (2011) · ACS Nano · doi:10.1021/nn1025274 · Cited by 451
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Yang, Q., Liu, H., Yuan, P., Jia, Y., Zhuang, L., Zhang, H., Yan, X., Liu, G., Zhao, Y., Liu, J., et al. (2022) · Journal of the American Chemical Society · doi:10.1021/jacs.1c10814 · Cited by 351
Metadata
- Authors
- Coffman, F. L., Cao, R., Pianetta, P. A., Kapoor, S., Kelly, M., & Terminello, L. J.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 1996-07-22
- Volume
- 69
- Issue
- 4
- Pages
- 568-570
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2012330138
- Cited by
- 165
- References
- 0
- FWCI
- 4.91
- Type
- journal article
- Language
- en
- Open access
- closed
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- Coffman, F. L., Cao, R., Pianetta, P. A., Kapoor, S., Kelly, M., & Terminello, L. J. (1996). Near-edge x-ray absorption of carbon materials for determining bond hybridization in mixed sp 2/sp 3 bonded materials. Applied Physics Letters. https://doi.org/10.1063/1.117789
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