Spherical particles of H2O ice (SPIPA-B type, 67 µm average diameter) intimately mixed with 10 wt.% Nacl particles (sieved to less than 100 µm). After 15 minutes of electron irradiation at 1 keV and 1 µA. | BYPASS

Sample

Name: Spherical particles of H2O ice (SPIPA-B type, 67 µm average diameter) intimately mixed with 10 wt.% Nacl particles (sieved to less than 100 µm). After 15 minutes of electron irradiation at 1 keV and 1 µA.

Owner of sample

Database

BYPASS

Experimentalists

Romain Cerubini

Origin of sample

Date: 2020-06-16
Provider: Planetary Ice Laboratory, Space and Planetary Science division, Physics Institute, University of Bern

Image

Sample made of spherical particles of H2O ice (SPIPA-B type, 67 µm average diameter) intimately mixed with 10 wt.% Nacl particles (sieved to less than 100 µm) after electron irradiation at 1 keV and 1 µA. The VIS reflectance spectrum is collected over the outlined Region of Interest (yellow line).

Physical characteristics

Thickness: 9.0 $\pm$ 1.0 $mm$
Diameter: 20.0 $mm$
Volume: 2830.0 $mm^3$
Surface roughness: smooth
Substrate material: Aluminum sample holder covered by black aluminum tape

Sample environment: Temperature

Temperature: 90.0 $\pm$ 15.0 $K$
Time at T: 2194.0 $\pm$ 600.0 $s$
Temperature max: 120.0 $K$

Sample environment: Fluid

Type: vacuum
Fluid temperature: 90.0 $\pm$ 15.0 $K$
Fluid pressure: 1.0e-08 $\pm$ 1.0e-09 $mbar$
Time at T, P, pH: 2194.0 $\pm$ 600.0 $s$

Sample environment: Irradiation

Source: electron gun
Chronology: before spectrum
Irradiation time: 15.0 $min$

Particle

Family: fundamental particles
Type: electrons
Energy: 1.0 $keV.particle^{-1}$
Particle fluence: 2.09e+16 $\pm$ 5000000000000000.0 $particle.m^{-2}$

Documentation and publication

Publications

Cerubini et al., 2022, Icarus, 379, 114977

Layers in sample

Number

Layers

Spherical particles of H2O ice (SPIPA-B type, 67 µm average diameter) intimately mixed with 10 wt.% Nacl particles (sieved to less than 100 µm). After electron irradiation at 1 keV and 1 µA. , 9.0 $mm$

Sample processings

Sample: Spherical particles of H2O ice (SPIPA-B type, 67 µm average diameter) intimately mixed with 10 wt.% Nacl particles (sieved to less than 100 µm). After 15 minutes of electron irradiation at 1 keV and 1 µA. (this sample)

Particle

Produced sample