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Two-phonon Raman scattering in graphene for laser excitation beyond the π-plasmon energy
| Content Provider | Scilit |
|---|---|
| Author | Popov, Valentin N. |
| Copyright Year | 2016 |
| Description | Journal: Journal of Physics: Conference Series The study of the two-phonon Raman spectra of graphene allows obtaining valuable information about the phonon dispersion inside the Brillouin zone. Up to now, the two-phonon Raman spectra have been extensively measured and modelled for laser excitation mainly in the visible range. However, recently, Raman measurements have been reported for laser excitation in the near ultraviolet range, close to the π-plasmon energy of about 5 eV. Here, we calculate the two-phonon Raman spectra in the latter range and compare the obtained results to the available Raman data. The crossover behaviour of the scattering of electrons by phonons on passing the π-plasmon energy is also discussed. |
| Related Links | http://iopscience.iop.org/article/10.1088/1742-6596/764/1/012008/pdf |
| ISSN | 17426588 |
| e-ISSN | 17426596 |
| DOI | 10.1088/1742-6596/764/1/012008 |
| Journal | Journal of Physics: Conference Series |
| Issue Number | 1 |
| Volume Number | 764 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2016-10-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics: Conference Series Condensed Matter Physics Laser Excitation Two Phonon Raman |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
