Thulium ultraphosphate CL/SEM spectrum, e- beam, CSIRO 2016
Measurement details
| Description | CL/SEM spectrum of Thulium ultraphosphate |
| Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
| Material | Thulium ultraphosphate [ TmP5O14 ] |
| Specimen | TmP5O14 REEP-13 [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 | -0.056262 … 230.657 counts |
| Integral | 10845.1 counts |
| Lines | Tm 1.5668 eV (11%), 1.5488 eV, 1.5394 eV, 1.5846 eV (5%), 1.5997 eV (1%), 1.62 — 1.75 eV, 2.441 eV, 2.51 eV (6%), 2.528 eV (15%), 2.737 eV, 2.755 eV, 3.431 eV, 3.584 eV, 4.287 eV (12%), Unspecified 1.886 eV, 1.904 eV, 1.9172 eV, 3.266 eV, 2.587 eV (4%) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Tm | 1 | 5 | 30.8 |
| P | 5 | 25 | 28.3 |
| O | 14 | 70 | 40.9 |
Measurement spectrum
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Measurement image
CL/SEM spectrum of Thulium ultraphosphate