Interference in edge-scattering from monocrystalline gold flakes

Sergejs Boroviks, Christian Wolff, Jes Linnet, Yuanqing Yang, F. Todisco, Alexander S. Roberts, Sergey I. Bozhevolnyi, Bert Hecht, N. A. Mortensen

Research output: Preprint or Working paperWorking paper


We observe strongly dissimilar scattering from two types of edges in hexagonal quasi-monocrystalline gold flakes with thicknesses around 1 micron. We identify as the origin the interference between a direct, quasi-specular scattering and an indirect scattering process involving an intermediate surface-plasmon state. The dissimilarity between the two types of edges is a direct consequence of the three-fold symmetry around the [111]-axis and the intrinsic chirality of a face-centered cubic lattice. We propose that this effect can be used to estimate flake thickness, crystal morphology, and surface contamination.
Original languageEnglish
Publication statusPublished - 5 Sept 2018

Bibliographical note

© 2018 The Authors.

Funding: MSCA-COFUND-MULTIPLY - Grant number 713694 - H2020.


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