{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13(15)"],"submitter":["Golenic N"],"pubmed_abstract":["Converting transverse photons into longitudinal two-dimensional plasmon--polaritons (2D-PP) and vice versa presents a significant challenge within the fields of photonics and plasmonics. Therefore, understanding the mechanism which increases the photon - 2D-PP conversion efficiency could significantly contribute to those efforts. In this study, we theoretically examine how efficiently incident radiation, when scattered by a silver spherical nanoparticle (Ag-NP), can be transformed into 2D-PP within van der Waals (vdW) heterostructures composed of hexagonal boron nitride and graphene (hBN/Gr composites). We show that the Dirac plasmon (DP) excitation efficiency depends on the Ag-NP radius as <i>R</i> <sup>3</sup>, and decreases exponentially with Ag-NP height <i>h</i>, so that for a certain"],"journal":["Nanophotonics (Berlin, Germany)"],"pagination":["2765-2780"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11502017"],"repository":["biostudies-literature"],"pubmed_title":["Optically driven plasmons in graphene/hBN van der Waals heterostructures: simulating s-SNOM measurements."],"pmcid":["PMC11502017"],"pubmed_authors":["de Gironcoli S","Golenic N","Despoja V"],"additional_accession":[]},"is_claimable":false,"name":"Optically driven plasmons in graphene/hBN van der Waals heterostructures: simulating s-SNOM measurements.","description":"Converting transverse photons into longitudinal two-dimensional plasmon--polaritons (2D-PP) and vice versa presents a significant challenge within the fields of photonics and plasmonics. Therefore, understanding the mechanism which increases the photon - 2D-PP conversion efficiency could significantly contribute to those efforts. In this study, we theoretically examine how efficiently incident radiation, when scattered by a silver spherical nanoparticle (Ag-NP), can be transformed into 2D-PP within van der Waals (vdW) heterostructures composed of hexagonal boron nitride and graphene (hBN/Gr composites). We show that the Dirac plasmon (DP) excitation efficiency depends on the Ag-NP radius as <i>R</i> <sup>3</sup>, and decreases exponentially with Ag-NP height <i>h</i>, so that for a certain","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Jul","modification":"2025-04-18T12:55:28.791Z","creation":"2025-04-04T01:15:10.781Z"},"accession":"S-EPMC11502017","cross_references":{"pubmed":["39635249"],"doi":["10.1515/nanoph-2023-0841"]}}