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Core excitons and vibronic coupling in diamond and graphite
Abstract
The C 1s exciton in diamond is studied by soft x-ray emission excited with high resolution monochromatic photons. A strong phonon sideband of 5 eV wide is observed in the exciton recombination spectrum. With the phonon contribution, the exciton binding energy is estimated to be 1.5 eV. The excited atoms is suggested to undergo Jahn-Teller relaxation similar to that of the nitrogen impurities in diamond. A similar exciton is observed at the ${\mathrm{\ensuremath{\sigma}}}^{\mathrm{*}}$-band threshold in graphite. These results provide new insights to the understanding of the core exciton and the donor problem in diamond and other systems.
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Cited by
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Charge Transfer in the MoS2/Carbon Nanotube Composite
Koroteev, V. O., Bulusheva, L. G., Asanov, I. P., Shlyakhova, E. V., Vyalikh, D. V., & Okotrub, A. V. (2011) · The Journal of Physical Chemistry C · doi:10.1021/jp205939e · Cited by 286
High Surface Area, sp2-Cross-Linked Three-Dimensional Graphene Monoliths
Worsley, M. A., Olson, T. Y., Lee, J. R. I., Willey, T. M., Nielsen, M. H., Roberts, S. K., Pauzauskie, P. J., Biener, J., Satcher, J. H., & Baumann, T. F. (2011) · The Journal of Physical Chemistry Letters · doi:10.1021/jz200223x · Cited by 230
Metadata
- Authors
- Ma, Y., Skytt, P., Wassdahl, N., Glans, P., Guo, J., & Nordgren, J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1993-11-29
- Volume
- 71
- Issue
- 22
- Pages
- 3725-3728
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W1987151057
- Cited by
- 197
- References
- 0
- FWCI
- 9.19
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ma, Y., Skytt, P., Wassdahl, N., Glans, P., Guo, J., & Nordgren, J. (1993). Core excitons and vibronic coupling in diamond and graphite. Physical Review Letters. https://doi.org/10.1103/physrevlett.71.3725
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