Averaged Raman spectrum of Murchison pellet n°2 irradiated ($Ar^+$, fluence $6~10^{15}$ ions.$cm^{-2}$)
- Title
- Averaged Raman spectrum of Murchison pellet n°2 irradiated ($Ar^+$, fluence $6~10^{15}$ ions.$cm^{-2}$)
- DOI
- 10.26302/SSHADE/EXPERIMENT_RB_20130101_002
- Data reference
- Brunetto, Rosario (2013): Ion irradiation ($He^+$, $Ar^+$) of a Murchison meteorite pellets probed by Raman spectroscopy. SSHADE/DAYSY (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_RB_20130101_002
- Publications
- Database
- Experimentalists
- Experiment type
- laboratory measurement
- Type
- Raman scattering intensity
- Intensity unit
- AU
- Comments
- Thickness of the meteorite pellet is large enough (>200 µm) to avoid contribution of KBr to the spectra.
- Instrument
- Thermo DXR - Raman
- Sample holder
- samples mounted horizontally on X-Y stage of microscope
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- MIR
- Excitation wavelength
- 532 nm
- Valid spectral range(s)
-
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge #1 902.0 - 1798.0 0.964 4.0 1.0 - Comments
- Raman shift with respect to laser at 532 nm
- Comments
- Confocal measurement with a x50 objective at long working distance
- Observation mode
- averaged
- Spots number
- 50
- Objective type
- x50
- Image size
- 1.0 x 1.0 ${\mu}m$
- Comments
- We recorded Raman maps of the different areas (virgin and irradiated) on the pellets to better cope with surface heterogeneity issues
- Name
- Pellet of Murchison powder (n°2)
- Comments
- Area B, irradiated with $6~10^{15}$ $Ar^+$ $cm^{-2}$
- Primary constituent(s)
- Experiment
- Ion irradiation ($He^+$, $Ar^+$) of a Murchison meteorite pellets probed by Raman spectroscopy
- Date begin
- 2013-12-31
- Release date
- 2018-01-31 23:51:01 UTC+0000
- Version (Date)
- #1 (2018-01-31 23:51:01 UTC+0000, Updated: 2018-09-27 16:05:43 UTC+0000)
- History
-
Date Mode Version Status Comments 2017-07-26 11:45:30 UTC+0000 first import #1 valid version 2017-07-26: First import
- Analysis
- Selected spectrum of the $6~10^{15}$ $Ar^+$.$cm^{-2}$ irradiated area, showing the most disordered (most irradiated) polyaromatic carbon (large D and G bands), thus representative of the irradiated layer (see Lantz et al., 2015, for details).
- Quality flag
- 4