Astrophysics and Space Science

, Volume 65, Issue 1, pp 69–82 | Cite as

A new model for interstellar dust

  • W. W. Duley
  • T. J. Millar
  • D. A. Williams


Some physical, chemical and optical properties of mixed oxide grain material are discussed and the formation of such dust is examined. Surface chemistry on these grains may be responsible for the selective depletion of elements and for the formation of molecules such as H2CO in diffuse clouds. Spectra of mixed oxide grains yield features at 9.6 and 18 μm together with a broad band at 4.6 μm−1.


Oxide Dust Optical Property Broad Band Surface Chemistry 
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Copyright information

© D. Reidel Publishing Co 1979

Authors and Affiliations

  • W. W. Duley
    • 1
  • T. J. Millar
    • 1
  • D. A. Williams
    • 2
  1. 1.Physics DeptYork UniversityTorontoCanada
  2. 2.Mathematics DeptUniversity of Manchester Institute of Science and TechnologyManchesterEngland

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