Titanite (var. Nd doped) PL/Laser spectrum, 785 nm laser beam, Lenz et al. 2015

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 ]
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

Nominal composition of Titanite (var.Nd doped) [ CaTiSiO5:Nd ].
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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