In the graphene/boron nitride stack, near-field electromagnetic energy transfer via hyperbolic phonon-polaritons was found to account for up to 75% of the electrical power injected into the device, becoming the dominant energy transfer mechanism.
Notes on verification
Confirmed via peer-reviewed Nature paper (Abou-Hamdan et al. 2025) and consistent institutional press releases (CNRS/ESPCI/Institut Langevin). Figure evolved slightly from ~71% in 2023 preprint to 75% in final publication, consistent with normal peer review refinement. All corroborating sources trace to the same underlying study, limiting true independence. [tier=gold indep_score=0.89 clusters=5 claim_tier=notable | framework convergence=single on Single experimental study (mid-IR pyrometry and spectroscopy measurements on hBN-encapsulated graphene devices) reported via CNRS/ESPCI/Institut Langevin press releases (upstreams: Abou-Hamdan et al., Nature 639, 909-914 (2025), arXiv:2310.08351 preprint) — publishers independent, evidence may not be | kind=empirical eligibility=high]
Sources
- L’électroluminescence du graphène, une découverte inattendue (seed:science_and_space)
- https://www.nature.com/articles/s41586-025-08627-6 (corroboration)
- https://www.espci.psl.eu/fr/actualites/2025/le-graphene-emet-de-la-lumiere-au-dela-de-l (corroboration)
- https://pontlevis.institut-langevin.espci.fr/electroluminescence_and_energy_transfer_mediated_by_hyperbolic_polaritons?lang=fr (corroboration)
- https://www.techno-science.net/actualite/electroluminescence-graphene-decouverte-inattendue-N26894.html (corroboration)
- https://ar5iv.labs.arxiv.org/html/2310.08351 (corroboration)