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| Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |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 Lab P-mounts] |
| 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 |
| 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