Predicting observable infrared signatures of nanosilicates in the diffuse interstellar medium
The destruction time scale of dust in the diffuse interstellar medium is estimated to be an
order of magnitude shorter than its residence time. Nevertheless, dust is observed in the …
order of magnitude shorter than its residence time. Nevertheless, dust is observed in the …
Structure and Properties of Nanosilicates with Olivine (Mg2SiO4)N and Pyroxene (MgSiO3)N Compositions
Magnesium-rich silicates are ubiquitous both terrestrially and astronomically, where they are
often present as small particles. Nanosized Mg-rich silicate particles are likely to be …
often present as small particles. Nanosized Mg-rich silicate particles are likely to be …
Nanosilicates and molecular silicate dust species: properties and observational prospects
ST Bromley - Frontiers in Astronomy and Space Sciences, 2024 - frontiersin.org
Silicate dust is found in a wide range of astrophysical environments. Nucleation and growth
of silicate dust grains in circumstellar environments likely involves species with diameters …
of silicate dust grains in circumstellar environments likely involves species with diameters …
Cluster Beam Study of (MgSiO3)+-Based Monomeric Silicate Species and Their Interaction with Oxygen: Implications for Interstellar Astrochemistry
J Mariñoso Guiu, BA Ghejan… - ACS Earth and Space …, 2022 - ACS Publications
Silicates are ubiquitously found as small dust grains throughout the universe. These
particles are frequently subject to high-energy processes and subsequent condensation in …
particles are frequently subject to high-energy processes and subsequent condensation in …
Silicate-mediated interstellar water formation: A theoretical study
Water is one of the most abundant molecules in the form of solid ice phase in the different
regions of the interstellar medium (ISM). This large abundance cannot be properly explained …
regions of the interstellar medium (ISM). This large abundance cannot be properly explained …
Warm dust surface chemistry-H2 and HD formation
Context. Molecular hydrogen (H 2) is the main constituent of the gas in the planet-forming
disks that surround many pre-main-sequence stars. H 2 can be incorporated in the …
disks that surround many pre-main-sequence stars. H 2 can be incorporated in the …
Forsterite surfaces as models of interstellar core dust grains: computational study of carbon monoxide adsorption
Carbon monoxide (CO) is the second most abundant gas-phase molecule after molecular
hydrogen (H2) of the interstellar medium (ISM). In molecular clouds, an important …
hydrogen (H2) of the interstellar medium (ISM). In molecular clouds, an important …
Interstellar H adsorption and H 2 formation on the crystalline (010) forsterite surface: a B3LYP-D2* periodic study
The physisorption/chemisorption of atomic hydrogen on a slab model of the Mg2SiO4
forsterite (010) surface mimicking the interstellar dust particle surface has been modeled …
forsterite (010) surface mimicking the interstellar dust particle surface has been modeled …
Does Fe 2+ in olivine-based interstellar grains play any role in the formation of H 2? Atomistic insights from DFT periodic simulations
Using periodic DFT-D2 methods, atomistic simulations of interstellar H adsorption and H2
formation on a (010) Fe-containing olivine surface are presented. At variance with the (010) …
formation on a (010) Fe-containing olivine surface are presented. At variance with the (010) …
Adsorption behavior of H2 in forsterite micro-pores with genetic implications for H2 seismic geochemical anomalies
L Yang, L Liu, D Yang, S Mao - Journal of Asian Earth Sciences, 2025 - Elsevier
The presence and properties of hydrogen gas (H 2) in the Earth's deep interior provide
valuable insights into the role of H 2 geochemistry in monitoring seismic activities …
valuable insights into the role of H 2 geochemistry in monitoring seismic activities …