Abstract
Laboratory spectra of SiO particles of 1 μm radius show a broad structureless extinction peak at 9.6μm. The wavelength dependence of extinction from SiO, an amorphous silicon oxide, provides a good match to that of interstellar dust.
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Duley, W.W., Maclean, S. & Millar, T.J. Silicon monoxide and the 10 μm interstellar feature. Astrophys Space Sci 53, 223–225 (1978). https://doi.org/10.1007/BF00645916
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DOI: https://doi.org/10.1007/BF00645916