Laboratory production of monophase pyrrhotite grains using solid–solid reaction and their characteristic infrared spectra

A new method of producing pyrrhotite grains, which are most commonly found in cometary material and interplanetary dust particles, was developed. Pyrrhotite grains in the monophase having a 7C structure were predominately produced using a solid–solid reaction between iron and sulfur grains at room t...

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Bibliographic Details
Published in:Icarus (New York, N.Y. 1962) N.Y. 1962), 2005-09, Vol.177 (1), p.280-285
Main Authors: Kimura, Y., Tamura, K., Koike, C., Chihara, H., Kaito, C.
Format: Article
Language:English
Subjects:
Astronomy
Earth, ocean, space
Exact sciences and technology
Infrared observations
Interplanetary dust
Solar nebula
Solar system
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Summary:A new method of producing pyrrhotite grains, which are most commonly found in cometary material and interplanetary dust particles, was developed. Pyrrhotite grains in the monophase having a 7C structure were predominately produced using a solid–solid reaction between iron and sulfur grains at room temperature. The characteristic infrared peaks were observed at 602, 563, and 397 cm −1 (16.6, 17.8, and 25.2 μm).
ISSN:0019-1035
1090-2643
DOI:10.1016/j.icarus.2005.03.003