Sample
Name
Formaldehyde amorphous
Date
2011-04-12
Thickness
0.339 ± 0.034 μm
Diameter
40000.0 μm
Substrate material
gold plated copper surface
Substrate comments
disk diameter 4cm. Kept at 15K with a model 21 CTI cold head
Comments
Thin film - deposition at 15 K
Temperature
15.0 ± 0.1 K
Time at T
1000.0 s
Temperature max
15.0 ± 0.1 K
Type
vacuum
Fluid pressure
1.0e-09 hPa
Comments
residual UHV vacuum gases
Number
1
Layers
Title
Formaldehyde vapor deposition

Produced sample

Sample
Formaldehyde amorphous (this sample)
Processing steps
Step Chronology Date Type Process Changes
#1 before layer formation 2011-04-12 fluid physical sublimation by gently warming paraformaldehyde from solid paraformaldehyde to H2CO gas
#2 during layer formation 2011-04-12 layer formation H2CO gas (300K) deposition on sample holder at 15K under vacuum from H2CO gas to solid phase. No annealing