Titanite (var. Er doped) PL/Laser spectrum, 473 nm laser beam, Lenz et al. 2015
Measurement spectrum
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Measurement details
| Description | PL/Laser spectrum of Titanite (var. Er 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. Er doped) [ CaTiSiO5:Er ] |
| Analysis 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 | 6950 |
| Energy range | 1.48799 … 2.47985 eV |
| Intensity range | 100 (normalised intensity) |
| Lines | Er3+ 2.29992 eV (100%), 2.21783 eV (7.3%), 2.23056 eV (9%), 2.24834 eV (17.4%), 2.25692 eV (5.7%), 2.2612 eV (13.6%), 2.2641 eV (33.6%), 2.27498 eV (19.5%), 2.28157 eV (14.8%), 2.28884 eV (10.1%), 2.2862 eV (8.1%), 2.3592 eV (8.9%), 2.3816 eV (7.9%) |
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 |