掺铋钇铝硅玻璃的高压光致发光

IF 1.2 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

High Pressure Research Pub Date : 2022-01-02 DOI:10.1080/08957959.2022.2044031

M. Hughes, R. McMaster, J. Proctor, D. Hewak, Takenobu Suzuki, Y. Ohishi

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引用次数: 1

摘要

摘要我们报道了高压的影响，高达10.45 532下掺铋钇铝硅玻璃的光致发光 nm激发。我们确定了三个归属于Bi3+、Bi+的发射带和一个NIR发射Bi中心BiNIR。当压力增加到～6时 GPa，发射带能量趋势中不可逆的不连续性表明发生了不可逆的结构修饰。这种不可逆的不连续性导致归因于Bi+和BiNIR的发射带的峰值能量从Bi掺杂氧化物玻璃的典型发射带转移到Bi掺杂镓-硫化镧玻璃中观察到的发射带。Bi3+发射带在~6时几乎可以消除 GPa，但其强度随着压力的进一步增加而迅速增加。我们在这里报道的使用压力处理不可逆地改变掺铋玻璃发射的能力为寻求优化掺铋玻璃的发射的研究人员增加了一种额外的处理技术。

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High pressure photoluminescence of bismuth-doped yttria-alumina-silica glass

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.

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来源期刊

High Pressure Research 物理-物理：综合

CiteScore

3.80

自引率

5.00%

发文量

审稿时长

2 months

期刊介绍： High Pressure Research is the leading journal for research in high pressure science and technology. The journal publishes original full-length papers and short research reports of new developments, as well as timely review articles. It provides an important forum for the presentation of experimental and theoretical advances in high pressure science in subjects such as: condensed matter physics and chemistry geophysics and planetary physics synthesis of new materials chemical kinetics under high pressure industrial applications shockwaves in condensed matter instrumentation and techniques the application of pressure to food / biomaterials Theoretical papers of exceptionally high quality are also accepted.