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    The Ice and Silicate Spectral Features for Dust Aggregates (1996)
    In:  CASI
    Details
    Publication Date: 2004-12-03
    Description: The optical properties of inhomogeneous aggregates of dust particles are calculated. The Discrete Dipole Approximation (DDA) is applied to the calculation of light scattering by the dust aggregates. The mixtures of ices and silicates are considered. The IR profiles near ice and silicate spectral features (3 micron and 10 micron) are constructed. The influence of grain topology, chemical composition and porosity have been investigated. The comparison of exact results for inhomogeneous aggregate and the effective medium theory (the rules of Maxwell-Garnett and Bruggeman) is made.
    Keywords: Astronomy
    Type: From Stardust to Planetesimals: Contributed Papers; 135-138; NASA-CP-3343
    Format: text
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