Sedimentation efficiency of condensation clouds in substellar atmospheres

P Gao, MS Marley, AS Ackerman - The Astrophysical Journal, 2018 - iopscience.iop.org
Condensation clouds in substellar atmospheres have been widely inferred from spectra and
photometric variability. Up until now, their horizontally averaged vertical distribution and …

Chondrule formation in bow shocks around eccentric planetary embryos

MA Morris, AC Boley, SJ Desch… - The Astrophysical …, 2012 - iopscience.iop.org
Recent isotopic studies of Martian meteorites by Dauphas & Pourmand have established
that large (∼ 3000 km radius) planetary embryos existed in the solar nebula at the same …

On the stickiness of CO2 and H2O ice particles

S Arakawa, S Krijt - The Astrophysical Journal, 2021 - iopscience.iop.org
Laboratory experiments revealed that CO 2 ice particles stick less efficiently than H 2 O ice
particles, and there is an order of magnitude difference in the threshold velocity for sticking …

On the crystallinity of silicate dust in evolving protoplanetary disks due to magnetically driven disk winds

S Arakawa, Y Matsumoto, M Honda - The Astrophysical Journal, 2021 - iopscience.iop.org
We present a novel mechanism for the outward transport of crystalline dust particles: the
outward radial drift of pebbles. A dust-ring structure is frequently observed in protoplanetary …

Rocky planetesimal formation via fluffy aggregates of nanograins

S Arakawa, T Nakamoto - The Astrophysical Journal Letters, 2016 - iopscience.iop.org
Several pieces of evidence suggest that silicate grains in primitive meteorites are not
interstellar grains but condensates formed in the early solar system. Moreover, the size …

Condensation of glass with multimetal nanoparticles: Implications for the formation process of gems grains

J Matsuno, A Tsuchiyama, T Watanabe… - The Astrophysical …, 2021 - iopscience.iop.org
Interplanetary dust particles contain grains of glass with embedded metals and sulfides
(GEMS; ie, amorphous silicate grains with diameters of a few hundred nanometers …

Three-dimensional observation of GEMS grains: Their high-temperature condensation origin

J Matsuno, A Tsuchiyama, A Miyake… - … et Cosmochimica Acta, 2022 - Elsevier
Abstract GEMS (Glass with Embedded Metal and Sulfides) grains found in interplanetary
dust particles are considered one of the most primitive materials in the Solar System, yet …

Direct observation of the homogeneous nucleation of manganese in the vapor phase and determination of surface free energy and sticking coefficient

Y Kimura, KK Tanaka, H Miura… - Crystal growth & …, 2012 - ACS Publications
We examined the homogeneous condensation of thermally evaporated manganese vapor in
an atmosphere of argon gas and determined the temperature and concentration during …

Condensation of cometary silicate dust using an induction thermal plasma system-I. Enstatite and CI chondritic composition

TH Kim, A Takigawa, A Tsuchiyama, J Matsuno… - Astronomy & …, 2021 - aanda.org
Glass with embedded metal and sulfides (GEMS) is a major component of chondritic porous
interplanetary dust particles. Although GEMS is one of the most primitive components in the …

Slow cooling during crystallisation of barred olivine chondrules

F Faure, M Auxerre, V Casola - Earth and Planetary Science Letters, 2022 - Elsevier
Barred olivine (BO) chondrules are small ferromagnesian silicate igneous droplets with
unique dendritic textures that are considered to have formed in the early solar system during …