Quartz CL spectrum, 20 keV e- beam, Torpy et al. 2020
Measurement details
Description | CL spectrum of Quartz 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 | Quartz [ SiO2 ] |
Specimen | Tista 2020 D4 Shaker [CSIRO], Tista 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 | 6925.5 s |
Channel count | 1024 |
Wavelength range | 199.467 … 970.586 nm |
Intensity range | -1.21021 … 74.9324 counts |
Integral | 19037.7 counts |
Related measurement | Quartz EDS spectrum, 20 keV e- beam, Torpy et al. 2020 (co-measured) |
Lines | NBOHC 1.94 eV (100%), Ti4+ 2.77 eV (28%) |
Composition
Element | Atoms | At% | Wt% |
---|---|---|---|
Si | 1 | 33.3 | 46.7 |
O | 2 | 66.7 | 53.3 |
Measurement spectrum
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Measurement image
CL spectrum of Quartz from the Tista River, Bangladesh