
Versatile Ice Zigzag Sublimation Setup for Laboratory Astrochemistry
Built: 2019-2021
Gold-plated silver substrates used for FT-IR reflexion-absorption measurements in ultra-high vacuum (UHV) conditions that can be cooled down to 3 K and 11 K, respectively
Vacuum chamber: Leybold TRIVAC D 40 B rotary vane pump, Leybold RUVAC WAU 251 Roots pump, Leybold TURBOVAC MAG W 600 iP turbomolecular pump, Edwards Next85H CF63 NW16 80W auxiliary turbomolecular pump
Closed-cycle Sumitomo RDK-415D and Sumitomo CH202 He-cryostats
Sumitomo F-50 and Sumitomo HC-4E compressors
Si-diode thermometer, Lakeshore 365D temperature controller
Accessories:
- Knudsen-cell
- direct sample inlet via leak valves and capillary arrays
- Bruker Invenio-R FT-IR spectrometer
- MBE Komponenten HABS 40 hydrogen atom beam source
- SPECS EQ22 electron gun
- microwave discharge hydrogen atom UV source
- Pfeiffer Prisma QMA 200 quadrupole mass spectrometer (QMS)
- port for laser irradiation
- cooled capillary filled with catalyst for para-H2 conversion