Aggregates (fluffy) Sample 3

Categories
MICRON-COSMIC ANALOGS
Summary: AEROSOLS
Cosmic analogs subcategories
Aggregates
Circumstellar shells
Origin

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

Main constituent
75% MgSiO, 25% MgO
Practical significance

For experiments intended to mimic the formation of circumstellar dust.

Particle size

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

Particle shape

High fluffiness.

Imaging
SEM
TEM
SEM/TEM images:
Aggregate (fluffy) Sample 3 TEM Image
Aggregate (fluffy) Sample 3 SEM Image
All SEM/TEM images (zip file)
Aggregate (fluffy) Sample 3 TEM/SEM Images
Color
Light brown, light-brown magnesiosilica indicative of amorphous MgSiO with a high amount of silica grains; Mg/Si=1.3
Scattering matrix (1) wavelength in nm
632.80 nm
Scattering matrix (1) table
matrix_aggregate3_632nm.txt
Scattering matrix (1) plot:
Scattering matrix elements Aggregate (fluffy) Sample 3 - 633 nm
Refractive index

Real part 1.6.

Angle range (deg)
[5,174]
Reference/s
Volten et al., 2007