Selective doping of Ga20Ge20Se60 glass-ceramic matrix with lanthanum(III) selenide to increase its optical transparency in the 2–10 μm spectral range

IF 3.2 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of Non-crystalline Solids Pub Date : 2024-10-28 DOI:10.1016/j.jnoncrysol.2024.123270

M.V. Sukhanov , R.D. Blagin , A.P. Velmuzhov , D.G. Fukina , K.V. Sidorenko , B.S. Stepanov , V.S. Shiryaev

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引用次数: 0

Abstract

To reduce optical losses due to scattering of radiation by crystals in Ga₂₀Ge₂₀Se₆₀ glass-ceramics, selective doping of the glass matrix with lanthanum(III) selenide is proposed. Samples of the (100-x)Ga₂₀Ge₂₀Se₆₀-xLa₄₀Se₆₀ (x = 0, 0.25, 0.625, 1.25, 2.5, 3.75, 5) glass- ceramics, which contain 40–57 vol.% of 3.0–4.6 μm sized sphalerite-type crystalline phases based on solid solutions of germanium(II, IV) selenides and gallium(III) selenide, are prepared. According to energy-dispersive spectroscopy data, lanthanum is concentrated in the glass matrix of glass-ceramics, and the distribution coefficient is 3.4 ± 0.6. An increase in the concentration of La in (100-x)Ga₁₀Ge₃₀Se₆₀–xLa₄₀Se₆₀ (x = 0, 1.25, 2.5) glasses leads to the rise of their refractive index by 0.023±0.008, when replacing 0.25Ga + 0.75Ge → 1La. For the first time, 97.5Ga₂₀Ge₂₀Se₆₀–2.5La₄₀Se₆₀ selenide glass-ceramics with a high volume content of micron-sized crystals and transparency of more than 50% in the 2–16 μm region are produced.

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在 Ga20Ge20Se60 玻璃陶瓷基体中选择性掺入硒化镧(III)，以提高其在 2-10 μm 光谱范围内的光学透明度

为了减少 Ga20Ge20Se60 玻璃陶瓷中晶体散射辐射造成的光学损耗，提出了在玻璃基体中选择性掺入硒化镧(III)的方法。制备了 (100-x)Ga20Ge20Se60-xLa40Se60 (x = 0, 0.25, 0.625, 1.25, 2.5, 3.75, 5) 玻璃陶瓷样品，其中含有 40-57 体积%的 3.0-4.6 μm 大小的闪锌矿型结晶相，这些结晶相基于硒化锗（II、IV）和硒化镓（III）的固溶体。根据能量色散光谱数据，镧主要集中在玻璃陶瓷的玻璃基体中，分布系数为 3.4 ± 0.6。在（100-x）Ga10Ge30Se60-xLa40Se60（x = 0、1.25、2.5）玻璃中增加镧的浓度会导致折射率上升 0.023±0.008，当 0.25Ga + 0.75Ge → 1La 取代时。这是首次制备出微米级晶体含量高、在 2-16 μm 区域透明度超过 50%的 97.5Ga20Ge20Se60-2.5La40Se60 硒化物玻璃陶瓷。

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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.