In-situ water-immersion experiments on amorphous silicates in the MgO–SiO2 system: implications for the onset of aqueous alteration in primitive meteorites
Sign Up to like & getrecommendations! Published in 2021 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2020.10.023
Abstract: Abstract Amorphous silicates, abundant in primitive carbonaceous chondrites, are among the most primitive materials from the early Solar System. They show evidence of some aqueous alteration in the meteorite parent bodies, but it is not… read more here.
Keywords: system; water; aqueous alteration; amorphous silicates ... See more keywords
Search for meteoritic GEMS II: Comparison of inclusions in amorphous silicates from the Paris chondrite and from anhydrous chondritic interplanetary dust particles
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DOI: 10.1016/j.gca.2021.05.041
Abstract: Abstract Amorphous silicates containing abundant nano-inclusions have been reported in the Paris CM chondrite ( Leroux et al., 2015 ). They have chemical and morphological similarities to glass with embedded metal and sulfides (GEMS) found… read more here.
Keywords: interplanetary dust; dust particles; amorphous silicates; material ... See more keywords
Plastic response of amorphous silicates, from atomistic simulations to experiments – A general constitutive relation
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DOI: 10.1016/j.mechmat.2017.07.002
Abstract: Abstract The continuum scale description of the plasticity of silicate glasses is a difficult task. In addition to significant amount of densification, it has been shown that, depending upon composition, there is a more or… read more here.
Keywords: constitutive relation; response amorphous; amorphous silicates; plastic response ... See more keywords
Surface Acidity Characterization of Metal-Doped Amorphous Silicates via Py-FTIR and 15N NMR Simulations
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.0c03292
Abstract: Metal-doped amorphous silicates are effective acidic catalysts for numerous industrial applications, including dehydration of alcohols, hydrodeoxygenation of biomass, and metathesis of olefins. The... read more here.
Keywords: acidity characterization; surface acidity; amorphous silicates; metal doped ... See more keywords