Surface plasmon near-field back-action and displacement of enhanced Raman scattering spectrum in graphene
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Bibliographic record
Abstract
It has been recently observed that plasmonic nanoantennas tuned to the Stokes wavelengths associated with the G and 2D Raman bands of graphene, rather than the laser pump, not only enhance Raman scattering in graphene but also displace and broaden the Raman spectra Ghamsari et al (2015 Phys. Rev. B 91 201408(R)). This paper presents a model to explain the frequency pulling and lineshape broadening effects based on the back-action of surface plasmons near-field on the induced microscopic Raman dipoles in graphene. The model provides the relation among Raman enhancement factor, Raman frequency displacement, and broadening caused by Stokes-tuned resonant nanoantennas and compares the results to the previously reported experimental data.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it