Terbium ultraphosphate CL/SEM spectrum, e- beam, CSIRO 2016
Measurement details
| Description | CL/SEM spectrum of Terbium ultraphosphate |
| Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
| Material | Terbium ultraphosphate [ TbP5O14 ] |
| Specimen | TbP5O14 REEP-9 [CSIRO - Microbeam Lab standard blocks] |
| Related specimen | REEP25-15 block [CSIRO - Microbeam Lab standard blocks]. Astimex rare earth ultraphosphate standard block (REEP25-15, Serial TU) |
| Technique | Cathodoluminescence (CL), using an Electron Probe Micro-Analyser (EPMA) |
| Instrument | JEOL 8500F |
| Probe | Electron beam |
| Channel count | 1024 |
| Wavelength range | 199.946 … 976.403 nm |
| Intensity range | -0.090558 … 3216.65 counts |
| Integral | 56582.1 counts |
| Lines | Tb 2.282 eV (100%), 2.538 eV (22%), 2.134 eV (14%), 2.114 eV (16%), 1.996 eV (9%), 2.513 eV (6%), Unspecified 1.8259 eV (2%), 1.854 eV (1%), 1.894 eV (1%), 1.907 eV (1%), 1.925 eV (1%), 2.62 eV, 2.645 eV (1%), 2.717 eV, 2.832 eV (2%), 2.853 eV (2%), 3.004 eV (3%), 3.255 eV (2%) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Tb | 1 | 5 | 29.6 |
| P | 5 | 25 | 28.8 |
| O | 14 | 70 | 41.7 |
Measurement spectrum
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Measurement image
CL/SEM spectrum of Terbium orthophosphate