Formation of iron-bearing materials in a cooling gas of solar composition

Details Formation of iron-bearing materials in a cooling gas of solar composition Formation of iron-bearing materials in a cooling gas of solar composition

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...73..180k&link_type=abstract

Icarus (ISSN 0019-1035), vol. 73, Jan. 1988, p. 180-190.

Computer Science

9

Chemical Composition, Crystal Growth, Iron Compounds, Metal Vapors, Solar Corona, Stellar Composition, Gas Pressure, Interfacial Tension, Interstellar Space

Scientific paper

The homogeneous nucleation and grain growth theory presently applied to the condensation of iron-bearing materials in a gas of solar composition indicates that high supersaturation is needed for iron vapor's homogeneous condensation into metallic form, due to its large surface tension. Such surface-active elements as N, O, S, and P, however, lower the surface tension or iron, and iron atoms can be encapsulated into precondensed MgSiO3 grains as FeO. S is found to be the most effective element in lowering the surface tension of iron in a cooling gas of solar composition.

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