Experiment
Title
Near and Mid-IR reflectance, Mid-IR transmission and Raman emission spectra of a series of Fe-Mg carbonates along the Siderite-Magnesite solid solution
DOI
10.26302/SSHADE/EXPERIMENT_BS_20240605_001
Data reference
Beck, Pierre; Beyssac, Olivier; Schmitt, Bernard (2023): Near and Mid-IR reflectance, Mid-IR transmission and Raman emission spectra of a series of Fe-Mg carbonates along the Siderite-Magnesite solid solution. SSHADE/DRIMS (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_BS_20240605_001
Publications
Comments
in press
Type(s)
laboratory measurement
Description
Near and Mid-IR reflectance of powders, Mid-IR transmission in KBr pellets and Raman emission spectra of grain of a series of 11 Fe-Mg carbonates along the Siderite-Magnesite solid solution (Mg# = 7.1 - 99.4%)
Number of spectra
41
Variable type(s)
  • sample composition
  • spectrum type
Comments
measurement of a series of samples with different techniques and instruments
Instrument
SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
Sample holder
cylindric aluminum sample holder, diameter 7 mm, depth 1 mm
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
Vis, NIR
Valid spectral range(s)
Min - Max ($nm$) Sampling ($nm$) Resolution ($nm$) Position accuracy ($nm$) Absorption edge
#1 400.0 - 670.0 10.0 3.2
#2 680.0 - 1590.0 10.0 6.5
#3 1600.0 - 2830.0 10.0 13.0
#4 2840.0 - 4100.0 10.0 26.0
Observation geometry
bidirectional
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
30.0°
Azimuth angle
0.0°
Phase angle
30.0°
Resolution illumination
2.9°
Resolution observation
2.05°
Illumination
Observation
Comments
partial polarization variable with wavelength (from monochromator grating)
Observation mode
single spot
Spatial resolution
5.2 $mm$
Instrument
Brucker Vertex 70 #2 – reflection Mid-IR
Sample holder
cylindric aluminum sample holder
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
NIR, MIR
Valid spectral range(s)
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge
#1 555.0 - 7000.0 0.48 0.96 0.2
Comments
measured between 400 and 8000 cm-1
Observation geometry
biconical
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
30.0°
Observation mode
single spot
Spatial resolution
1.0 $mm$
Instrument
Brucker Vertex 70v – transmission Mid-IR
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
MIR
Valid spectral range(s)
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge
#1 368.0 - 7497.0 1.929 3.85 0.5
Observation geometry
direct
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
180.0°
Azimuth angle
0.0°
Phase angle
180.0°
Observation mode
single spot
Spatial resolution
6.0 $mm$
Instrument
Micro-Raman LabRam HR800 - 532 nm
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
MIR, FIR
Valid spectral range(s)
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge
#1 55.0 - 1800.0 0.45 0.9 0.2
Filters
Type Center/Edge ($cm^{-1}$) Width ($cm^{-1}$) Place
#1 532.3 nm edge filter 100.0
Comments
Resolution varies from 1.05 cm-1 @ 50 cm-1 to 0.82 cm-1 @ 1800 cm-1. Sampling varies from 0.52 to 0.41 $cm^{-1}$ in the 50-1800 $cm^{-1}$ range
Observation geometry
confocal
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
0.0°
Observation mode
single spot
Objective type
x100
Spatial resolution
1.0 ${\mu}m$
Instrument
Renishaw InVia Reflex microRaman 532nm
Standard medium
vacuum
Observation mode
spectrum
Spectral range type(s)
MIR
Valid spectral range(s)
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge
#1 467.0 - 1664.0 1.2 2.4 0.3
Filters
Type Center/Edge ($cm^{-1}$) Width ($cm^{-1}$) Place
#1 532 nm notch filter
Comments
Resolution varies from 2.6 cm-1 @ 450 cm-1 to 2.15 cm-1 @ 1650 cm-1. Sampling varies from 1.3 to 1.07 $cm^{-1}$ in the 450-1650 $cm^{-1}
Observation geometry
confocal
Observation mode
fixed angles
Emergence angle
0.0°
Azimuth angle
0.0°
Illumination
Observation
Comments
All measurements were performed with a circularly polarized laser using a ¼-wave plate placed before the microscope to minimize polarization effects
Observation mode
single spot
Objective type
x50
Spatial resolution
1.0 ${\mu}m$
Date begin
2023-04-01

Versions

Release date
2024-07-10 17:01:31 UTC+0000
Version (Date)
#1 (2024-07-10 17:01:31 UTC+0000, Updated: 2024-07-10 18:00:48 UTC+0000)
Sponsors
  • Centre National d’Etude Spatiale (CNES) (M2020, MSL and MMX support)