Laboratory synthesis of hydrogenated amorphous carbon films

Details Laboratory synthesis of hydrogenated amorphous carbon films Laboratory synthesis of hydrogenated amorphous carbon films

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...334l.117o&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 334, Nov. 15, 1988, p. L117-L120. NSERC-supported research.

Astronomy and Astrophysics

Astrophysics

51

Amorphous Materials, Carbon, Interstellar Matter, Thin Films, Vapor Deposition, Absorption Spectra, Absorptivity, Hydrogenation, Infrared Absorption, Meteoritic Composition

Scientific paper

Hydrogenated amorphous carbon (HAC) films have been prepared by direct condensation of cool carbon vapor at low temperatures. Quantitative absorption coefficients for these films have been obtained between 0.16 and 20 microns. Spectra of HAC at 3.4 microns are quite similar to those seen in comet Halley and in the Galactic source IRS 7. Similarities with Orgueil extract are also observed. HAC formed via condensation in the ISM may be an early stage in the evolutionary cycle for interstellar dust.

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