LAP02342 matrix grains (CR) on diamond (vacuum, Tamb) | GhoSST | SSHADE

Sample

Name: LAP02342 matrix grains (CR) on diamond (vacuum, Tamb)

Owner of sample

Database

GhoSST

Experimentalists

Trygve Prestgard

Origin of sample

Date: 2021-01-01
Provider: IPAG
Parent sample: LAP02342 matrix grains (CR) on diamond

Physical characteristics

Thickness: 15.0 $\pm$ 5.0 ${\mu}m$
Diameter: 40.0 ${\mu}m$
Substrate material: diamond window
Substrate comments: diamond window of 3.5mm diameter
Comments: about 10 matrix grains pressed on a diamond window

Sample environment: Temperature

Temperature: 22.0 $\pm$ 2.0 $^{\circ}C$
Temperature max: 22.0 $\pm$ 2.0 $^{\circ}C$

Sample environment: Fluid

Type: vacuum
Fluid pressure: 2.5e-06 $\pm$ 5.0e-07 $mbar$
Comments: sample put in a cell enabling acquisition under primary or secondary dynamic vacuum (from $10^{-4}$ mbar down to $10^{-7}$ mbar)

Documentation and publication

Publications

Prestgard et al., 2023, Meteorit. Planet. Sci., 58, 1117 - 1148

Layers in sample

Number

1

Layers

Layer #1 , 15.0 ${\mu}m$

Sample processings

Title

sample put under vacuum

Precursors

Samples

LAP02342 matrix grains (CR) on diamond

Produced sample

Sample

LAP02342 matrix grains (CR) on diamond (vacuum, Tamb) (this sample)

Processing steps

Step	Chronology	Date	Type	Process	Changes
#1	after layer formation	2021-01-01	pressure	setting the sample under vacuum - still at ambient temperature	partial reduction of the amount of adsorbed $H_2O$