Xenotime-(Y) CL spectrum, 20 keV e- beam, Torpy et al. 2020

Measurement details

Description CL spectrum of Xenotime-(Y) from the Tista River, Bangladesh
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 Xenotime-(Y) [ YPO4 ]
Specimen Tista 2020 D4 Shaker [CSIRO], Teesta River, Bangladesh
Specimen temperature Ambient
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 57.77 s
Channel count 1024
Energy range 1.27642 … 6.21094 eV
Intensity range 100 (normalised intensity)
Related measurement Xenotime-(Y) EDS spectrum, 20 keV e- beam, Torpy et al. 2020 (co-measured)
Lines
  • Dy3+ 2.1601 eV (100%), 2.5662 eV (65.3%)
  • Er3+ 1.4553 eV (2.9%), 2.3694 eV (16.5%)
  • Eu3+ 2.0077 eV (9.6%), 1.783 eV (4%)
  • Gd3+ 3.9767 eV (2.2%)
  • {{linesearch:b6ae03c6-d7da-47a1-ae81-2457019696c8|Ho3+}}: 1.8932 eV (16.1%), 1.8594 eV (5.4%), 1.9261 eV (3%)
  • Nd3+ 1.423 eV (1.9%), 1.3669 eV (0.9%)
  • Pr3+ 3.0895 eV (8.6%)
  • {{linesearch:647771b8-f7cc-41fc-913d-ef88329b3ae3|REE3+}}: 2.0649 eV (5.2%), 2.2724 eV (38.1%), 1.653 eV (9.1%), 2.3683 eV (9.6%), 2.6156 eV (31.2%)
  • Tm3+ 2.7348 eV (3.4%)

Composition

Nominal composition of Xenotime-(Y) [ YPO4 ].
Element Atoms At% Wt%
Y 1 16.7 48.4
P 1 16.7 16.8
O 4 66.7 34.8

Measurement spectrum

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Measurement image

CL spectrum of Xenotime-(Y) from the Tista River, Bangladesh