CH3OH crystalline ice (alpha phase) | GhoSST | SSHADE

Sample

Name: CH3OH crystalline ice (alpha phase)

Owner of sample

Database

GhoSST

Experimentalists

Origin of sample

Date: 2008-02-04
Previous sample: CH3OH amorphous ice

Physical characteristics

Thickness: 0.96 $\pm$ 0.05 ${\mu}m$
Surface roughness: very low
Substrate material: KBr
Substrate comments: window 2 mm thick
Comments: crystalline sample obtained by crystallization at 120K of an amorphous sample

Sample environment: Temperature

Temperature: 17.5 $\pm$ 0.5 $K$
Temperature max: 17.5 $\pm$ 0.5 $K$
Time at Tmax: 15.0 $min$
Comments: It is the temperature at which the initially amorphous $CH_3OH$ sample has been crystallized

Sample environment: Fluid

Type: vacuum
Fluid pressure: 1.0e-08 $mbar$

Documentation and publication

Publications

Merlin et al., 2012, Astron. Astrophys., 544, A20

Layers in sample

Number

1

Layers

CH3OH crystalline ice , 0.96 ${\mu}m$