Monazite-(Ce) CL spectrum, 20 keV e- beam, Torpy et al. 2020

Measurement spectrum

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Measurement details

Description CL spectrum of Monazite-(Ce)
Reference Torpy et al. 2020
Torpy, A., Wilson, N., MacRae, C., Pownceby, M., Biswas, P., Rahman, M., & Zaman, M. (2020). Deciphering the Complex Mineralogy of River Sand Deposits through Clustering and Quantification of Hyperspectral X-Ray Maps. Microscopy and Microanalysis, 26(4), 768-792
https://doi.org/10.1017/S143192762000135X
Date measured 2018-04-14
Material Monazite-(Ce) [ CePO4 ]
Specimen temperature Ambient
Analysis technique Cathodoluminescence (CL)
Instrument JEOL 8500F
Probe 20 keV electron beam
Beam current 69.64 nA
Probe diameter 2 μm
Detector name OceanOptics QEPRO
Det. technology CCD, Si, Peltier cooled
Acquisition time 462.7 s
Channel count 1024
Wavelength range 199.467 … 970.586 nm
Intensity range -1.29 … 85 counts
Integral 6305.68 counts
Related measurement Monazite-(Ce) EDS spectrum, 20 keV e- beam, Torpy et al. 2020 (co-measured)
Lines Ce 3.72367 eV (30.6073%), Nd3+ 1.42523 eV (100%), 1.39858 eV (76.215%), 1.38451 eV (61.3903%), 1.36983 eV (50.9848%), Sm3+ 1.9328 eV (7%), 2.0817 eV (12.8%)

Specimen details

Name Tista 2020 D4 Shaker
Owner CSIRO
Locality Teesta River, Bangladesh
Type Mineral concentrate
Form Polished section, epoxy mount
Other measurements CL

EDS

Specimen image

Clustered phase map of river sands (D4 shaker), from the Tista River, Bangladesh. From Torpy et al. 2020

© (C) 2020 CSIRO Mineral Resources


Composition

Nominal composition of Monazite-(Ce) [ CePO4 ].
Element Atoms At% Wt%
Ce 1 16.7 59.6
P 1 16.7 13.2
O 4 66.7 27.2

Measurement image

CL spectrum of Monazite-(Ce)