Methanol ice, thin deposited at 45K | DAYSY | SSHADE

Sample

Name: Methanol ice, thin deposited at 45K

Owner of sample

Database

DAYSY

Experimentalists

Elsa Henault

Origin of sample

Date: 2024-07-08
Provider: IAS, Orsay

Physical characteristics

Thickness: 500.0 $\pm$ 50.0 $nm$
Diameter: 20000000.0 $nm$
Substrate material: MgF2
Substrate comments: MgF2 window, 2 mm thick, 20 mm large, mounted on cryogenic copper sample holder
Comments: Irradiated methanol ice

Sample environment: Temperature

Temperature: 45.0 $\pm$ 0.5 $K$
Temperature max: 45.0 $\pm$ 0.5 $K$

Sample environment: Fluid

Type: vacuum
Fluid temperature: 45.0 $\pm$ 0.5 $K$
Fluid pressure: 5.0e-07 $\pm$ 1.0e-07 $mbar$

Sample environment: Irradiation

Source: ions accelerator
Chronology: before spectrum
Comments: Irradiation was performed in a vacuum chamber (P~5E-7 mbar). Fluence corresponds to 4E15 in ion/cm-2 and is the cumulated fluence.

Particle

Family: atoms and molecules
Type: atomic ions
Particle: $H^+$
Energy: 30.0 $keV.particle^{-1}$
Particle fluence: 4e+19 $\pm$ 1e+17 $particle.m^{-2}$

Documentation and publication

Publications

Hénault et al., 2025, Astron. Astrophys., 694, 1

Layers in sample

Number

1

Layers

Methanol ice, thin deposited at 45K , 500.0 $nm$