High pressure photoluminescence of bismuth-doped yttria-alumina-silica glass
High pressure photoluminescence of bismuth-doped yttria-alumina-silica glass
复制标题
DOI：
10.1080/08957959.2022.2044031
复制
发表时间：
2022-01
影响因子：
2
通讯作者：
M. Hughes;R. McMaster;J. Proctor;D. Hewak;Takenobu Suzuki;Y. Ohishi
中科院分区：
文献类型：
--
作者：
M. Hughes;R. McMaster;J. Proctor;D. Hewak;Takenobu Suzuki;Y. Ohishi
摘要 我们报告了高达 10.45 GPa 的高压对 Bi 掺杂氧化钇-氧化铝-二氧化硅玻璃在 532 nm 激发下的光致发光的影响。我们确定了 Bi3+、Bi+ 和 NIR 发射 Bi 中心 BiNIR 的三个发射带。当压力增加到〜6 GPa时，发射带能量趋势的不可逆不连续性表明发生了不可逆的结构改变。这种不可逆的不连续性导致 Bi+ 和 BiNIR 的发射带峰值能量从典型的 Bi 掺杂氧化物玻璃转移到 Bi 掺杂镓镧硫化物玻璃中观察到的峰值能量。 Bi3+发射带在～6 GPa时几乎被消除，但其强度随着压力的进一步增加而迅速增加。我们在此报告的通过压力处理不可逆地改变 Bi 掺杂玻璃发射的能力为寻求优化 Bi 掺杂玻璃发射的研究人员增加了额外的处理技术。
ABSTRACT We report the effects of high pressure, up to 10.45 GPa, on the photoluminescence of Bi-doped yttria-alumina-silica glass under 532 nm excitation. We identify three emission bands attributed to Bi3+, Bi+ and a 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 glass. The Bi3+ emission band can be almost eliminated at ∼6 GPa, but its intensity increases rapidly as the pressure is further increased. The ability we report here to irreversibly modify the emission of Bi-doped glass using pressure treatment adds an extra processing technique to researchers looking to optimize the emission from Bi-doped glasses.