Titanite (var. Sm doped) PL/Laser spectrum, 532 nm laser beam, Lenz et al. 2015
Measurement details
| Description | PL/Laser spectrum of Titanite (var. Sm 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. Sm doped) [ CaTiSiO5:Sm ] |
| Technique | Laser photoluminescence (PL) |
| Instrument | Horiba LabRAM HR |
| Probe | 532 nm laser beam |
| Det. technology | CCD, Si, Peltier cooled |
| Grating spacing | 600 lines/mm |
| Numerical aperture | 0.9 |
| Channel count | 13533 |
| Energy range | 1.11601 … 2.97546 eV |
| Intensity range | 100 (normalised intensity) |
| Lines | Sm3+ 1.75469 eV (1.9%), 1.81071 eV (1%), 1.84408 eV (0.9%), 1.8566 eV (1.6%), 1.8689 eV (7.3%), 1.8831 eV (9%), 1.91481 eV (5.9%), 1.93958 eV (0.4%), 1.96976 eV (1.7%), 1.9954 eV (2.5%), 2.0097 eV (5.3%), 2.0234 eV (10.6%), 2.06481 eV (100%), 2.118 eV (4.3%), 2.16034 eV (4.3%), 2.19838 eV (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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