Wolframite CL spectrum, 15 keV e- beam, CSIRO 2018
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Measurement details
| Description | CL spectrum of Wolframite |
| Reference | CSIRO 2018 https://research.csiro.au/microbeam-lab/ |
| Date measured | 2018-08-13 |
| Material | Wolframite [ (Fe, Mn)WO4 ] |
| Analysis technique | Cathodoluminescence (CL) |
| Instrument | JEOL 8500F |
| Probe | 15 keV electron beam |
| Beam current | 80.13 nA |
| Probe diameter | 1 μm |
| Detector name | OceanOptics QEPRO |
| Det. technology | CCD, Si, Peltier cooled |
| Acquisition time | 18.8744 s |
| Channel count | 1024 |
| Energy range | 1.26074 … 6.23939 eV |
| Intensity range | -0.57 … 99.1 (normalised intensity) |
| Data filter | Savitzky-Golay, 3rd order, ±8 channels |
| Lines | Dy3+ 2.1569 eV (18.6%), {{linesearch:fe0e8c0c-caa9-4326-8f4b-30edbff51a0b|Ho3+}}: 1.9087 eV (3.6%), {{linesearch:b6f772e0-8d01-4f1c-bfee-f5e6bbd03114|Intrinsic}}: 2.705 eV (100%), {{linesearch:2fc9ceee-4852-4735-8f46-f71f338d97b3|Nd3+}}: 1.4082 eV (17.6%) |
Specimen details
| Name | S-18-001 Monazite |
| Owner | CSIRO |
| Type | Mineral concentrate |
| Form | Polished section, epoxy mount |
| Other measurements |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| W | 2 | 16.7 | 60.6 |
| Mn | 1 | 8.33 | 9.06 |
| Fe | 1 | 8.33 | 9.21 |
| O | 8 | 66.7 | 21.1 |
| Total | 12 | 100 | 100 |
Measurement image
CL spectrum of Wolframite
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