- Title
- NIR optical constant spectra of CH4 in solid solution in alpha and beta-N2 at 5 different temperatures (35K - 43K)
- DOI
- 10.26302/SSHADE/EXPERIMENT_BS_20130103_003
- Data reference
- Quirico, Eric; Schmitt, Bernard (1992): NIR optical constant spectra of CH4 in solid solution in alpha and beta-N2 at 5 different temperatures (35K - 43K). SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20130103_003
- Publications
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- NIR optical constant spectra of CH4 in solid solution. Beta phases at 43,41,38 and 36.5K. Changed to alpha phase at 35K
- Number of spectra
- 5
- Variable type(s)
-
- temperature
- sample phase
- Instrument
- Nicolet 800 – transmission Near-IR
- Sample holder
- Stainless steel closed cell 10 mm thick with MgF2 windows cooled by He cryostat in UHV chamber with 2 KBr windows
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- NIR
- Valid spectral range(s)
-
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge #1 2000.0 - 10000.0 0.4821314127 0.92 0.05
- Comments
- C axis possibly perpendicular to beam axis
Illumination
- Type of polarization
- no
Observation
- Type of polarization
- no
- Comments
- possibly partly polarized beam by beamsplitter
- Observation mode
- single spot
- Image size
- 2.5 x 2.5 $mm$
- Spatial resolution
- 2.5 ${\pm}$ 0.5 $mm$
- Comments
- circular spot located in center of a monocrystal
- Date begin
- 1992-01-01
Versions
- Version (Date)
- #1 (2018-02-07 10:26:31 UTC+0000)
- Newer/Last version(s)