Ar6+辐照Er3+掺杂PbO-ZnO-P2O5玻璃的Judd-Ofelt分析研究

IF 3.5 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of Non-crystalline Solids Pub Date : 2025-02-10 DOI:10.1016/j.jnoncrysol.2025.123435

Pabitra Mandal , Subhankar Ghosh

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引用次数: 0

摘要

掺有0.6、0.8和1.0% Er3+的PbO-ZnO-P2O5玻璃用浓度为5×1015/cm2的1.5 MeV Ar6+光束照射。光学带隙的变化表明，在辐照样品中掺杂0.6%时，光学带隙减小了0.2%。由于辐照，折射率降低了0.001-0.002，这比其他种类的玻璃要低。judd - offelt （JO）参数Ω2的变化表明，在1%掺杂时二价Er2+态稳定，而在0.6%掺杂时，Er3+周围的反演对称性由于辐照而降低。Ω4参数表示辐照样品的刚度和粘度变化。利用JO参数计算了一些激发态的寿命，结果表明，当掺杂率为1%时，1.5 μ m激光发射的可能性增加。结构、键合单元的变化是通过拉曼数据捕获的。本研究为研究重离子辐照对镧系掺杂玻璃的影响提供了一条新的途径。

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Study of Ar6+-irradiated Er3+doped PbO-ZnO-P2O5 glass via Judd-Ofelt analysis

PbO-ZnO-P₂O₅ glass doped with 0.6, 0.8 and 1.0 % Er³⁺ was irradiated with 1.5 MeV Ar⁶⁺ beam of fluence

5 \times 10^{15} / c m^{2}

. Change in optical band gap shows a small reduction of 0.2 % at 0.6 % doping in irradiated sample. Refractive index decreases due to irradiation by 0.001–0.002 which turns out to be lower than other classes of glass. The change of Judd-Ofelt (JO) parameter

Ω_{2}

reveals stabilization of divalent Er²⁺ states at 1 % doping and reduced inversion symmetry around Er³⁺at 0.6 % doping due to irradiation. Parameter

Ω_{4}

indicates change in rigidity and viscosity in irradiated sample. Calculated lifetime of some excited states using JO parameters shows enhanced possibility of 1.5 µm LASER emission upon irradiation at 1 % doping. Change in structural, bonding units is captured via Raman data. Our study proposes that JO analysis could be a new route to study the effect of heavy ion irradiation on lanthanide doped glass.

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来源期刊

Journal of Non-crystalline Solids 工程技术-材料科学：硅酸盐

CiteScore

6.50

自引率

11.40%

发文量

576

审稿时长

35 days

期刊介绍： The Journal of Non-Crystalline Solids publishes review articles, research papers, and Letters to the Editor on amorphous and glassy materials, including inorganic, organic, polymeric, hybrid and metallic systems. Papers on partially glassy materials, such as glass-ceramics and glass-matrix composites, and papers involving the liquid state are also included in so far as the properties of the liquid are relevant for the formation of the solid. In all cases the papers must demonstrate both novelty and importance to the field, by way of significant advances in understanding or application of non-crystalline solids; in the case of Letters, a compelling case must also be made for expedited handling.