Berlinite CL/SEM spectrum, 20 keV e- beam, CSIRO 2016

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Measurement details

Description CL/SEM spectrum of Berlinite
Reference Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton
https://research.csiro.au/microbeam-lab/
Material Berlinite [ AlPO4 ]
Specimen temperature Ambient
Analysis technique Cathodoluminescence (CL), using an Electron Probe Micro-Analyser (EPMA)
Instrument JEOL 8500F
Probe 20 keV electron beam
Beam current 10 nA
Probe diameter 20 μm
Channel count 1024
Energy range 1.276 … 6.21118 eV
Intensity range -0.115 … 57.6 counts
Integral 24406.3 counts
Data filter Savitzky-Golay, 3rd order, ±15 channels
Lines Fe3+ 1.6625 eV (70%), Self trapped exciton 3.0038 eV (9%), Unspecified 2.1989 eV (100%)

Specimen details

Name AlPO4 Hyper1-4
Owner CSIRO
Other measurements Berlinite SXES spectrum, 5 keV e- beam, CSIRO 2016

Composition

Nominal composition of Berlinite [ AlPO4 ].
Element Atoms At% Wt%
Al 1 16.7 22.1
P 1 16.7 25.4
O 4 66.7 52.5
Total 6 100 100

Measurement image

Plot of CL spectrum of berlinite

(C) 2021 CSIRO Mineral Resources.