Reidite CL/SEM spectrum, 12 keV e- beam, CSIRO 2019
Measurement details
| Description | CL spectrum of Reidite from within shocked zircons from the Stac Fada impactite, Scotland. Sample courtesy of Steve Reddy of Curtin University |
| Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
| Date measured | 2019-03-21 |
| Material | Reidite [ ZrSiO4 ] |
| Specimen | Stac Fada impactite [Curtin University], Scotland, UK |
| Specimen temperature | Ambient |
| Technique | Cathodoluminescence (CL), using an Electron Probe Micro-Analyser (EPMA) |
| Instrument | JEOL 8500F |
| Probe | 12 keV electron beam |
| Beam current | 49.99 nA |
| Probe diameter | 0.01 μm |
| Detector name | OceanOptics QEPRO (HC1) |
| Slit width | 100 μm |
| Acquisition time | 1928.61 s |
| Channel count | 1024 |
| Energy range | 1.27642 … 6.21094 eV |
| Intensity range | 100 (normalised intensity) |
| Lines | Dy3+ 2.632 eV (4.85%), 2.153 eV (7.1%), 2.5697 eV (6.24%), Intrinsic 2.03 — 3.21 eV (100%), Nd3+ 1.4113 eV (3.76%) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Zr | 1 | 16.7 | 49.8 |
| Si | 1 | 16.7 | 15.3 |
| O | 4 | 66.7 | 34.9 |
Measurement spectrum
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Measurement image
Peak fitting of reidite CL spectrum