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Electronic and plasmonic phenomena at graphene grain boundaries
Z. Fei, A. S. Rodin, W. Gannett +13
Graphene, a two-dimensional honeycomb lattice of carbon atoms, is of great interest in (opto)electronics and plasmonics and can be obtained by means of diverse fabrication techniqu…
Plasmonic Hot Spots in Triangular Tapered Graphene Microcrystals
A. S. Rodin, Z. Fei, A. S. McLeod +4
Recently, plasmons in graphene have been observed experimentally using scattering scanning near-field optical microscopy. In this paper, we develop a simplified analytical approach…
Model for quantitative tip-enhanced spectroscopy and the extraction of nanoscale-resolved optical constants
Alexander S. McLeod, Priscilla Kelly, M. D. Goldflam +6
Near-field infrared spectroscopy by elastic scattering of light from a probe tip resolves optical contrasts in materials at dramatically sub-wavelength scales across a broad energy…