Barium fluoride CL spectrum, 20 keV e- beam, CSIRO 2024
Loading...
Measurement details
| Description | CL spectrum of Barium fluoride (var. Synthetic) [BaF2] in specimen 'P666 - BaF2 thorLabs Synthetic' (CSIRO), measured May 2024, in map 'BaF2-6nm carbon' (Map_107_1 - BaF2-6nm carbon.epmx). |
| Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
| Date measured | 2024-05-20 |
| Material | Barium fluoride [ BaF2 ] |
| Specimen temperature | Ambient |
| Analysis technique | Cathodoluminescence (CL) |
| Instrument | JEOL JXA-8530F |
| Probe | 20 keV electron beam |
| Beam current | 5.01 nA |
| Probe diameter | 2 μm |
| Detector name | Ocean Optics QE65000 |
| Det. technology | CCD, Si, Peltier cooled |
| Grating | Ocean Optics HC-1 |
| Grating spacing | 600-300 lines/mm |
| Order sorting filter | Ocean Optics OFLV-QE-200 |
| Det. temperature | -15 °C |
| Slit width | 100 μm |
| ADC speed | 500 kHz |
| Acquisition time | 2836.62 s |
| Channel count | 1024 |
| Wavelength range | 199.467 … 970.586 nm |
| Intensity range | 1.591×104 … 4.336×107 counts |
| Integral | 6.0446×109 counts |
| Lines | Impurity 3.2 eV (50%), {{linesearch:bdf0216e-b967-417f-93f7-8860873709f6|Self trapped exciton}}: 3.757 eV (100%) |
Specimen details
| Name | P-0666 BaF2 |
| Owner | CSIRO |
| Type | Synthetic compound |
| Form | Polished section, epoxy mount |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ba | 1 | 33.3 | 78.3 |
| F | 2 | 66.7 | 21.7 |
| Total | 3 | 100 | 100 |