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 | DRIMS

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

Beck et al., 2024, Earth Space Sci.

Comments

in press

Owner

Database(s)

DRIMS

Experimentalists

Spectra preview

Experiment type

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 parameters

Variable type(s)

sample composition
spectrum type

Comments

measurement of a series of samples with different techniques and instruments

Location

Laboratory: Institut de Planétologie et Astrophysique de Grenoble (IPAG)

Instrument #1

Instrument: SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
Sample holder: cylindric aluminum sample holder, diameter 7 mm, depth 1 mm

Spectral parameters

Standard medium

vacuum

Observation mode

spectrum

Spectral range type(s)

Vis, NIR

Valid spectral range(s)

	Min - Max ( $nm$ )	Sampling ( $nm$ )	Resolution ( $nm$ )
#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

Angular parameters

Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).

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°

Polarization parameters

Illumination

Observation

Comments: partial polarization variable with wavelength (from monochromator grating)

Spatial parameters

Observation mode: single spot
Spatial resolution: 5.2 $mm$

Instrument #2

Instrument: Brucker Vertex 70 #2 – reflection Mid-IR
Sample holder: cylindric aluminum sample holder

Spectral parameters

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

Angular parameters

Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).

Observation geometry: biconical
Observation mode: fixed angles
Incidence angle: 0.0°
Emergence angle: 30.0°

Spatial parameters

Observation mode: single spot
Spatial resolution: 1.0 $mm$

Instrument #3

Instrument: Brucker Vertex 70v – transmission Mid-IR

Spectral parameters

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

Angular parameters

Definition: incidence and emergence angles are positive with origin at nadir. Emergence angle in transmission is larger than 90° (=180°-i).

Observation geometry: direct
Observation mode: fixed angles
Incidence angle: 0.0°
Emergence angle: 180.0°
Azimuth angle: 0.0°
Phase angle: 180.0°

Spatial parameters

Observation mode: single spot
Spatial resolution: 6.0 $mm$

Instrument #4

Instrument: Micro-Raman LabRam HR800 - 532 nm

Spectral parameters

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

c m^{- 1}

$cm^{-1}$ in the 50-1800

c m^{- 1}

$cm^{-1}$ range

Angular parameters

Observation geometry: confocal
Observation mode: fixed angles
Incidence angle: 0.0°
Emergence angle: 0.0°

Spatial parameters

Observation mode: single spot
Objective type: x100
Spatial resolution: 1.0 ${\mu}m$

Instrument #5

Instrument: Renishaw InVia Reflex microRaman 532nm

Spectral parameters

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

c m^{- 1}

$cm^{-1}$ in the 450-1650 $cm^{-1}

Angular parameters

Observation geometry: confocal
Observation mode: fixed angles
Emergence angle: 0.0°
Azimuth angle: 0.0°

Polarization parameters

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

Spatial parameters

Observation mode: single spot
Objective type: x50
Spatial resolution: 1.0 ${\mu}m$

History

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)