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Figure 8 | Nanoscale Research Letters

Figure 8

From: Cone-like graphene nanostructures: electronic and optical properties

Figure 8

Absorption spectrum for small systems. (Color Online) Absorption coefficient for x (black curves), y (red curves), and z (blue lines) polarizations for (a) a nanodisk with 258 atoms, (b) a single-pentagon nanocone composed of 245 atoms, and (c) a two-pentagon nanocone with 246 atoms. The photon energies are given in units of ℏω/t. Curves in each panel are vertically shifted, for better visualization of different polarization results.

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