Barium fluoride (var. nanopowder) PL/UV measurement, 137.7 nm Synchrotron illum., Coura et al. 2021
Measurement details
| Reference | Coura et al. 2021 Coura R. L., Andrade A. B., Monteiro T. J., Novais S. M., Macedo Z. S. & Valerio M. E. (2021). Photoluminescent properties of BaF2 scintillator-polystyrene composite films under vacuum ultraviolet radiation. Materials Research Bulletin, 135, 111159. https://doi.org/10.1016/j.materresbull.2020.111159 https://www.sciencedirect.com/science/article/pii/S0025540820316408 |
| Material | Barium fluoride (var. nanopowder) [ BaF2 ] |
| Analysis technique | Ultraviolet photoluminescence |
| Instrument | Thoroidal Grating Monochromator (TGM) beamline, Brazilian Synchrotron Light Laboratory (LNLS) |
| Probe | Synchrotron light source |
| Peak wavelength | 137.7 nm |
| Detector name | OceanOptics QE65000 |
| Det. technology | CCD, Si, Peltier cooled |
| Line | Self trapped exciton 304 nm |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ba | 1 | 33.3 | 78.3 |
| F | 2 | 66.7 | 21.7 |
| Total | 3 | 100 | 100 |