Nanodiamonds Enveloped in Glassy Carbon Shells and the Origin of the 2175 Å Optical Extinction Feature

Details Nanodiamonds Enveloped in Glassy Carbon Shells and the Origin of the 2175 Å Optical Extinction Feature Nanodiamonds Enveloped in Glassy Carbon Shells and the Origin of the 2175 Å Optical Extinction Feature

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009apj...697.1822y&link_type=abstract

The Astrophysical Journal, Volume 697, Issue 2, pp. 1822-1826 (2009).

Astronomy and Astrophysics

Astronomy

3

Dust, Extinction, Stars: Carbon

Scientific paper

It is shown that small nanodiamond particles encapsulated into cages of glassy carbon may contribute to the 2175 Å (5.67 eV) interstellar extinction feature, in the normalized interstellar extinction curve, for a ratio between the size of the diamond core to its overall exterior radius in the range 0.6-0.9. Results for optical absorption by diamond nanoclusters encased in multishell fullerenes are also presented. These are also possible candidates to explain the feature.

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