Dr Mark Hughes M.A.Hughes@salford.ac.uk
Reader
Dr Mark Hughes M.A.Hughes@salford.ac.uk
Reader
R McMaster
Dr John Proctor J.E.Proctor@salford.ac.uk
Associate Professor/Reader
DC Hewak
T Suzuki
Y Oshidi
We report the effects of high pressure, up to 10.45 GPa, on the photoluminescence of Bi-doped yttria-alumina-silica (Bi:YAlSi) glass under 532 nm excitation. We identify three emission bands attributed to Bi3+, Bi+ and the controversial NIR emitting Bi centre, BiNIR. As the pressure is increased up to ~6 GPa, an irreversible discontinuity in the trend for emission band energies indicates that an irreversible structural modification occurs. This irreversible discontinuity results in the peak energy of emission bands attributed to Bi+ and BiNIR shifting from those typical of Bi-doped oxide glasses to those observed in Bi-doped gallium-lanthanum-sulfide (Bi:GaLaS) glass. The Bi3+ emission band can be almost eliminated at ~6 GPa, but its intensity increases rapidly as the pressure in further increased. The ability we report here to irreversibly modify the emission of Bi-doped glass using pressure treatment adds an extra degree of freedom in the processing parameters available to researchers looking to optimize the emission from Bi-doped glasses.
Hughes, M., McMaster, R., Proctor, J., Hewak, D., Suzuki, T., & Oshidi, Y. (2022). High pressure photoluminescence of bismuth-doped yttria-alumina-silica glass. High Pressure Research, https://doi.org/10.1080/08957959.2022.2044031
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 15, 2022 |
Online Publication Date | Feb 27, 2022 |
Publication Date | Feb 27, 2022 |
Deposit Date | Feb 23, 2022 |
Publicly Available Date | Mar 1, 2022 |
Journal | High Pressure Research |
Print ISSN | 0895-7959 |
Electronic ISSN | 1477-2299 |
Publisher | Taylor and Francis |
DOI | https://doi.org/10.1080/08957959.2022.2044031 |
Publisher URL | https://doi.org/10.1080/08957959.2022.2044031 |
Related Public URLs | http://www.tandfonline.com/toc/ghpr20/current |
Additional Information | Funders : Engineering and Physical Sciences Research Council (EPSRC) Projects : Manufacturing and Application of Next Generation Chalcogenides Grant Number: EP/M015130/1 |
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