Titanite (var. Dy doped) PL/Laser spectrum, 473 nm laser beam, Lenz <i>et al.</i> 2015

Titanite (var. Dy doped) PL/Laser spectrum, 473 nm laser beam, Lenz et al. 2015

Measurement details

Description	PL/Laser spectrum of Titanite (var. Dy 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. Dy doped) [ CaTiSiO₅:Dy ] Titanite on amphibole, from Wannenköpfe, Ochtendung, Eifel region, Germany. Image width: 2mm © 2010 Fred Kruijen (via Wikimedia Commons), CC-BY-SA-3.0
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	8462
Energy range	1.364 … 2.62741 eV
Intensity range	100 (normalised intensity)
Lines	Dy³⁺ 2.4989 eV (100%), 2.5224 eV (42.4%), 2.5473 eV (96.2%), 2.5676 eV (34.6%), 2.5991 eV (71%), 2.584 eV (31.4%), 2.61416 eV (7.4%), 2.087 eV (95.1%), 2.13347 eV (100%), 2.161 eV (85.1%), 2.147 eV (39.2%), 2.17185 eV (13.4%), 2.19211 eV (37.1%), 2.1123 eV (76.9%), 2.11504 eV (15%), 2.20248 eV (3.8%), 2.21182 eV (5.3%), 2.2213 eV (11.5%), 2.23937 eV (2.4%), 1.8046 eV (54.7%), 1.83927 eV (100%), 1.85793 eV (74.1%), 1.87032 eV (50%), 1.8776 eV (15.8%), 1.88232 eV (22.4%), 1.88765 eV (29.6%), 1.89163 eV (20.4%), 1.89937 eV (26.3%), 1.90937 eV (16.6%), 1.91855 eV (17.2%), 1.92778 eV (5.8%), 1.93718 eV (8.4%), 1.63278 eV (44.8%), 1.63938 eV (43.4%), 1.64378 eV (52.5%), 1.66066 eV (25.9%), 1.65454 eV (16.8%), 1.67202 eV (10.1%), 1.68192 eV (7.8%), 1.69185 eV (6.6%), 1.62261 eV (11.6%), 1.61081 eV (7.7%), 1.6016 eV (8.7%), 1.4078 eV (0.2%), 1.4308 eV (0.5%), 1.4567 eV (1.5%), 1.4731 eV (2%), 1.4855 eV (1.4%), 1.4897 eV (1.4%), 1.5055 eV (0.8%), 1.5171 eV (0.7%), 2.2937 eV (0.9%)

Composition

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