Titanite (var. Ho doped) PL/Laser spectrum, 473 nm laser beam, Lenz et al. 2015
Measurement details
| Description | PL/Laser spectrum of Titanite (var. Ho doped) |
| Reference | Lenz et al. 2015 Lenz C., Nasdala L., Talla D., Hauzenberger C., Seitz R. & Kolitsch U. (2015). Laser-induced REE3+ photoluminescence of selected accessory minerals — An “advantageous artefact” in Raman spectroscopy. Chemical Geology, 415, 1-16. https://doi.org/10.1016/j.chemgeo.2015.09.001 https://www.sciencedirect.com/science/article/pii/S000925411530022X |
| Material | Titanite (var. Ho doped) [ CaTiSiO5:Ho ] |
| Technique | Laser photoluminescence (PL) |
| Instrument | Horiba LabRam HR Evolution |
| Probe | 473 nm laser beam |
| Det. technology | CCD, Si, Peltier cooled |
| Grating spacing | 600 lines/mm |
| Numerical aperture | 0.9 |
| Channel count | 8166 |
| Energy range | 1.3144 … 2.47985 eV |
| Intensity range | 100 (normalised intensity) |
| Lines | Ho3+ 1.60634 eV (10.9%), 1.61409 eV (16.9%), 1.62247 eV (16.2%), 1.62541 eV (12.1%), 1.63268 eV (6.2%), 1.64348 eV (9.3%), 1.64808 eV (3.6%), 1.65132 eV (3.2%), 1.65398 eV (3%), 1.65625 eV (2%), 1.66143 eV (1.5%), 1.66599 eV (1.2%), 1.67686 eV (1.4%), 1.83781 eV (2.5%), 1.85469 eV (8%), 1.87081 eV (3.1%), 1.88377 eV (5.6%), 1.88848 eV (1.5%), 1.89788 eV (4.9%), 1.91155 eV (1.4%), 1.92826 eV (1.4%), 1.94118 eV (3.2%), 1.95392 eV (1.1%), 2.22456 eV (100%), 2.23 eV (100%), 2.2324 eV (93.1%), 2.24056 eV (32.9%), 2.2513 eV (76.6%), 2.2546 eV (69.8%), 2.2582 eV (47%), 2.26608 eV (8.5%), 2.2738 eV (10.6%), 2.27811 eV (18.2%), 2.28339 eV (5.8%), 2.28862 eV (6.3%), 2.2926 eV (13.2%), 2.29931 eV (26%), 2.30873 eV (8.1%), 2.31343 eV (10.8%), 2.33454 eV (7.4%), 2.32017 eV (4.6%) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ca | 1 | 12.5 | 20.4 |
| Ti | 1 | 12.5 | 24.4 |
| Si | 1 | 12.5 | 14.3 |
| O | 5 | 62.5 | 40.8 |
Measurement spectrum
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