Halite CL/SEM spectrum, 15 keV e- beam, CSIRO 2021
Measurement details
Description | CL spectrum of Halite |
Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
Date measured | 2021-08-19 |
Material | Halite [ NaCl ] |
Specimen | P-0249 NaCl [CSIRO - Microbeam Laboratory Standards] |
Technique | Cathodoluminescence (CL), using an Electron Probe Micro-Analyser (EPMA) |
Instrument | JEOL 8500F |
Probe | 15 keV electron beam |
Beam current | 9.948 nA |
Probe diameter | 2 μm |
Detector name | QE65000 |
Det. technology | CCD, Si, Peltier cooled |
Slit width | 200 μm |
Acquisition time | 117.6 s |
Channel count | 1024 |
Energy range | 1.26882 … 6.19608 eV |
Intensity range | 0.245927 … 99.694 (normalised intensity) |
Data filter | Savitzky-Golay, 3rd order, ±20 channels |
Related measurement | Halite EDS spectrum, 15 keV e- beam, CSIRO 2021 (co-measured) |
Lines | F-H centre recombination 2.906 eV (40.9%), VF- center 2.268 eV (100%) |
Composition
Element | Atoms | At% | Wt% |
---|---|---|---|
Na | 1 | 50 | 39.3 |
Cl | 1 | 50 | 60.7 |
Measurement spectrum
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Measurement image
CL spectrum of Halite