Titanite (var. Nd doped) PL/Laser spectrum, 785 nm laser beam, Lenz et al. 2015
Measurement spectrum
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Measurement details
| Description | PL/Laser spectrum of Titanite (var. Nd 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. Nd doped) [ CaTiSiO5:Nd ] |
| Analysis technique | Laser photoluminescence (PL) |
| Instrument | Horiba LabRam HR800 |
| Probe | 785 nm laser beam |
| Det. technology | CCD, Si, Peltier cooled |
| Grating spacing | 600 lines/mm |
| Numerical aperture | 0.9 |
| Channel count | 7697 |
| Energy range | 1.05403 … 1.56719 eV |
| Intensity range | 100 (normalised intensity) |
| Lines | Nd3+ 1.10597 eV (4.1%), 1.12111 eV (7%), 1.14519 eV (9.6%), 1.14867 eV (43.3%), 1.15542 eV (1.6%), 1.16413 eV (14.5%), 1.18994 eV (7.9%), 1.20536 eV (2.1%), 1.32376 eV (12.8%), 1.32792 eV (47%), 1.34444 eV (39.2%), 1.3687 eV (27.1%), 1.38156 eV (100%), 1.40839 eV (64.7%), 1.42323 eV (19%), 1.44997 eV (18.2%), 1.5387 eV (4.1%), 1.5122 eV (4%) |
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 |