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

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

Description	PL/Laser spectrum of Monazite-(Ce) (var. Sm 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. Sm doped) [ CePO₄:Sm ] 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	9079
Energy range	1.31446 … 2.6087 eV
Intensity range	100 (normalised intensity)
Lines	Sm³⁺ 1.733 eV (10.9%), 1.73697 eV (5.1%), 1.75127 eV (3.8%), 1.76532 eV (3.7%), 1.76896 eV (18%), 1.78367 eV (5.3%), 1.8098 eV (3.1%), 1.93135 eV (43%), 1.92727 eV (19%), 1.91184 eV (50.4%), 1.8972 eV (19.9%), 1.9466 eV (24.1%), 2.0753 eV (100%), 2.0801 eV (77.3%), 2.0932 eV (41.6%), 2.0443 eV (33.8%), 2.0524 eV (35.9%), 2.2152 eV (67.9%), 2.23042 eV (11.1%), 2.19223 eV (18.3%), 2.1804 eV (5.7%)

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

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