Titanite (var. Eu doped) PL/Laser spectrum, 532 nm laser beam, Lenz et al. 2015
Measurement details
| Description | PL/Laser spectrum of Titanite (var. Eu 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. Eu doped) [ CaTiSiO5:Eu ] |
| 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 | 11293 |
| Energy range | 1.24004 … 2.97554 eV |
| Intensity range | 100 (normalised intensity) |
| Lines | Eu3+ 1.66984 eV (7.3%), 1.74207 eV (54.4%), 1.75558 eV (95.2%), 1.75473 eV (22.7%), 1.76814 eV (100%), 1.77297 eV (15.8%), 1.7849 eV (20.3%), 1.79139 eV (19.2%), 1.80275 eV (89.5%), 1.9039 eV (56.3%), 1.98115 eV (73.7%), 2.00028 eV (79%), 2.00901 eV (57.9%), 2.02093 eV (13.7%), 2.0366 eV (48.7%), 2.07524 eV (50.1%), 2.09721 eV (65.3%), 2.10129 eV (13.8%), 2.14115 eV (53.8%), 2.15706 eV (32.4%), 2.15914 eV (20.7%) |
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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