Crystalline Mg2SiO4 and amorphous Mg-bearing silicate grain formation by coalescence and growth

Details Crystalline Mg2SiO4 and amorphous Mg-bearing silicate grain formation by coalescence and growth Crystalline Mg2SiO4 and amorphous Mg-bearing silicate grain formation by coalescence and growth

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005a%26a...429..205k&link_type=abstract

Astronomy and Astrophysics, v.429, p.205-208 (2005)

Astronomy and Astrophysics

Astrophysics

9

Astrochemistry, Methods: Laboratory, Stars: Agb And Post-Agb, Circumstellar Matter, Dust, Extinction

Scientific paper

A novel method for producing MgO and SiO2 smokes was developed. Mg-bearing silicate grain formation using the coalescence and growth of MgO and SiO2 grains was carried out in our laboratory. It becomes evident that single and poly crystalline Mg2SiO4 (forsterite) and amorphous Mg-bearing silicate grains can be produced by the coalescence and growth of MgO and SiO2 grains. This result suggests that the observed crystalline Mg2SiO4 grains and amorphous Mg-bearing silicate particles in Red Super Giant (RSG), Asymptotic Giant Branch (AGB), post-AGB and planetary nebula (PNe) could be produced by the coalescence and growth of MgO and SiO2 grains.

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