Aggregates (fluffy) Sample 4

Practical significance

For experiments intended to mimic the formation of circumstellar dust.

Origin

Produced in the Condensation Flow Apparatus at the NASA Goddard Space Flight Center.

Main constituent

75% MgSiO, 25% MgO no hydrogen in the condensing vapor.

Particle size

Modal grain sizes: 50 nm, 30-50 nm
Aggregate/cluster sizes: about 650 nm, 150-400nm

Color

Light brown, light-brown magnesiosilica indicative of amorphous MgSiO with a high amount of silica grains; Mg/Si=1.3

SEM/TEM images:

All SEM/TEM images (zip file)

Scattering matrix (1) wavelength in nm

632.80 nm

Scattering matrix (1) table

Scattering matrix (1) plot:

Refractive index

Real part 1.6.

Angle range (deg)

[5,174]

Reference/s