Methanol ice, 2.6 µm thick deposited at 60K, irradiated with H+ to 107 eV/16u | DAYSY | SSHADE

Sample

Name: Methanol ice, ~ 2.6 µm thick deposited at 60K, irradiated with H+ to 107 eV/16u

Owner of sample

Database

DAYSY

Experimentalists

Elsa Henault

Origin of sample

Date: 2022-06-27
Provider: IAS, Orsay

Physical characteristics

Thickness: 2600.0 $\pm$ 700.0 $nm$
Diameter: 20000000.0 $nm$
Substrate material: MgF2
Substrate comments: MgF2 window, 2 mm thick, 20 mm large, mounted on cryogenic copper sample holder
Comments: CH3OH:H2O (1:0) ice

Sample environment: Temperature

Temperature: 60.0 $\pm$ 0.5 $K$
Temperature max: 60.0 $\pm$ 0.5 $K$

Sample environment: Fluid

Type: vacuum
Fluid temperature: 60.0 $\pm$ 0.5 $K$
Fluid pressure: 6.0e-07 $\pm$ 1.0e-07 $mbar$

Sample environment: Irradiation

Source: ions accelerator
Chronology: before spectrum
Comments: Irradiation dose corresponds to 107 eV/16u. Fluence corresponds to 2.8E16 in particules.cm-2.

Particle

Family: atoms and molecules
Type: atomic ions
Particle: $H^+$
Energy: 30.0 $keV.particle^{-1}$
Particle fluence: 2.8e+20 $\pm$ 1e+18 $particle.m^{-2}$

Documentation and publication

Publications

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

Layers in sample

Number

1

Layers

Methanol ice, ~ 2.6 µm thick deposited at 60K, irradiated with H+ to 107 eV/16u , 2600.0 $nm$