Calcium orthosilicate CL spectrum, 12 keV e- beam, CSIRO 2022
Measurement details
| Description | CL spectrum of Larnite |
| Reference | CSIRO 2022 https://research.csiro.au/microbeam-lab/ |
| Date measured | 2022-02-07 |
| Material | Calcium orthosilicate [ Ca2SiO4 ] |
| Specimen | Block HL - HL003 [CSIRO - Microbeam Lab client specimens] |
| Technique | Cathodoluminescence (CL) |
| Instrument | JEOL 8500F Linux |
| Probe | 12 keV electron beam |
| Beam current | 80.6 nA |
| Probe diameter | 1 μm |
| Det. technology | Charge-coupled device (CCD) |
| Acquisition time | 3.69 s |
| Channel count | 1024 |
| Wavelength range | 198.557 … 982.656 nm |
| Intensity range | -87.2477 … 736.532 counts |
| Integral | 158421 counts |
| Data filter | Savitzky-Golay, 3rd order, ±30 channels |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ca | 2 | 28.6 | 46.5 |
| Si | 1 | 14.3 | 16.3 |
| O | 4 | 57.1 | 37.2 |
Measurement spectrum
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