Monazite-(Ce) (var. Tm doped) PL/Laser spectrum, 473 nm laser beam, Lenz <i>et al.</i> 2015

Monazite-(Ce) (var. Tm doped) PL/Laser spectrum, 473 nm laser beam, Lenz et al. 2015

Description	PL/Laser spectrum of Monazite-(Ce) (var. Tm 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	Monazite-(Ce) (var. Tm doped) [ CePO₄:Tm ] Monazite-(Ce) specimen from Norway © Photo by Penland, via Smithsonian National Museum of Natural History
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	9152
Energy range	1.3144 … 2.60386 eV
Intensity range	100 (normalised intensity)
Lines	Tm³⁺ 1.5689 eV (34.6%), 1.5844 eV (27.9%), 1.60462 eV (7.1%), 1.61286 eV (34.6%), 1.62111 eV (11.7%), 2.5855 eV (90.9%), 2.5948 eV (92.2%), 1.91594 eV (49.4%), 1.92137 eV (21.6%), 1.875 — 1.958 eV (100%), 1.90296 eV (47.4%), 1.8857 eV (24.6%), 1.93195 eV (18.8%)

Nominal composition of Monazite-(Ce) (var.Tm doped) [ CePO₄:Tm ].
Element	Atoms	At%	Wt%
Ce	~1	~16.67	~59.6
Tm	?	?	?
P	1	16.7	13.2
O	4	66.7	27.2

PL/Laser spectrum of Monazite-(Ce) (var. Tm doped)