Ion-beam-milled graphite nanoribbons as mesoscopic carbon-based polarizers

Author:

Muszyński Marcin1ORCID,Antoniazzi Igor1ORCID,Camargo Bruno1ORCID

Affiliation:

1. Institute of Experimental Physics, Faculty of Physics, University of Warsaw , Pasteura 5, 02-093 Warsaw, Poland

Abstract

We demonstrate optical reflectivity and Raman responses of graphite microstructures as a function of light polarization when the incident light is applied perpendicular to the material's stacking direction (c-axis). For this, we employed novel graphite nanoribbons with edges polished through ion-beam etching. In this unique configuration, a strong polarization dependence of the D, G, and 2D Raman modes is observed. At the same time, polarized reflectivity measurements demonstrate the potential of such a device as a carbon-based, on-chip polarizer. We discuss the advantages of the proposed fabrication method as opposed to the mechanical polishing of bulk crystals.

Funder

Narodowe Centrum Nauki

Publisher

AIP Publishing

Subject

Physics and Astronomy (miscellaneous)

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