Investigation on gallium doping Ge-As-S chalcogenide glass and glass ceramics

IF 2.8 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Express Pub Date : 2024-01-23 DOI:10.1364/ome.516637

Ziqiang Liu, Jierong Gu, Guang Jia, Wenfeng Zheng, Shuangquan Xie, Xiang Shen, and Zijun Liu

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Abstract

In this work, bulk chalcogenide glasses (Ge₃₅As₁₀S₅₅)_100-xGa_x (x = 0,1,3,5,7,9) were prepared using the traditional melt quenching method, and glass ceramics were prepared to improve the mechanical properties through heat treatment. Optical, thermal and mechanical properties of the glass and glass ceramic samples were measured by FTIR, DSC and Vickers hardness analysis. Results indicate that glass samples exhibited about 70% IR-transmission around 3–12 µm. The hardness of these pure glasses increased from 231 to 282 kgf/mm² through gallium doping and improvement of melt-quenching conditions. The type of nanocrystals precipitated in the glass ceramics were characterized by XRD. Existence of a γ-Ga₂S₃ crystal phase enhanced the hardness of the glass. Also, the size and distribution of nanocrystals in the microstructure of the glass ceramics were investigated by SEM. The hardness of (Ge₃₅As₁₀S₅₅)₉₃Ga₇ glass reached to 302.6 kgf/mm² by precipitation of nanocrystals with diameter smaller than 500 nm.

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关于掺镓的 Ge-As-S 卤化物玻璃和玻璃陶瓷的研究

在这项工作中，采用传统的熔体淬火法制备了块状铬化玻璃 (Ge35As10S55)100-xGax (x = 0,1,3,5,7,9)，并制备了玻璃陶瓷，通过热处理改善了其机械性能。通过傅立叶变换红外光谱、DSC 和维氏硬度分析测量了玻璃和玻璃陶瓷样品的光学、热学和机械性能。结果表明，玻璃样品在 3-12 µm 附近的红外透射率约为 70%。通过掺镓和改善熔淬条件，这些纯玻璃的硬度从 231 kgf/mm2 增加到 282 kgf/mm2。玻璃陶瓷中析出的纳米晶体类型通过 XRD 进行了表征。γ-Ga2S3晶相的存在提高了玻璃的硬度。此外，还利用扫描电镜研究了玻璃陶瓷微观结构中纳米晶体的尺寸和分布。通过析出直径小于 500 nm 的纳米晶体，(Ge35As10S55)93Ga7 玻璃的硬度达到了 302.6 kgf/mm2。

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来源期刊

Optical Materials Express MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS

CiteScore

5.50

自引率

3.60%

发文量

377

审稿时长

1.5 months

期刊介绍： The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optical Materials Express (OMEx), OSA''s open-access, rapid-review journal, primarily emphasizes advances in both conventional and novel optical materials, their properties, theory and modeling, synthesis and fabrication approaches for optics and photonics; how such materials contribute to novel optical behavior; and how they enable new or improved optical devices. The journal covers a full range of topics, including, but not limited to: Artificially engineered optical structures Biomaterials Optical detector materials Optical storage media Materials for integrated optics Nonlinear optical materials Laser materials Metamaterials Nanomaterials Organics and polymers Soft materials IR materials Materials for fiber optics Hybrid technologies Materials for quantum photonics Optical Materials Express considers original research articles, feature issue contributions, invited reviews, and comments on published articles. The Journal also publishes occasional short, timely opinion articles from experts and thought-leaders in the field on current or emerging topic areas that are generating significant interest.