Na2O-P2O5 玻璃中 CuO 的网络形成/调节行为

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2024-10-01 DOI:10.1016/j.ceramint.2024.09.421

Aamir Bashir , Paramjyot Kumar Jha , Navneet Kaur Mattu , Santosh Kumar , K. Singh

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引用次数: 0

摘要

本研究的重点是 50P2O5-(55-x)Na2O-xCuO（x = 0、1、3 和 5 mol%）成分的合成、表征和评估 CuO 在物理、结构和光学特性中的作用。合成样品采用 XRD、傅立叶变换红外光谱、拉曼光谱和紫外-可见光谱等多种技术进行分析，以检验其在激光和非线性光学应用方面的潜力。加入 CuO 代替 Na2O 增加了玻璃的密度，而摩尔体积却减小了，PNC-5（5 摩尔%）样品除外。X 射线衍射证实了样品的无定形性质。傅立叶变换红外光谱和拉曼光谱显示了偏磷酸盐（Q2）和焦磷酸盐（Q1）结构单元的存在，表明随着 CuO 的添加量达到 3 摩尔%，玻璃网络变得更加聚合。随着 CuO 浓度增加到 3 摩尔%，光带隙从 3.52 eV 增加到 4.27 eV，折射率从 2.54 降低到 2.12。这些观察结果表明了 CuO 的双重特性，即网络形成器（3 摩尔% 以下）和网络修饰器（3 摩尔% 以上）。这些发现还表明，这种玻璃材料在非线性光学领域的应用前景十分广阔。

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The network former/modifier behavior of CuO in Na2O-P2O5 glasses

This present study focus on the synthesis, characterization, and evaluation of the role of CuO in the physical, structural, and optical properties of 50P₂O₅-(55-x)Na₂O-xCuO (x = 0, 1, 3, and 5 mol%) compositions. The synthesized samples are analysed using various techniques such as XRD, FTIR, Raman, and UV–Visible spectroscopy to check their potential for laser and nonlinear optical applications. The addition of CuO in place of Na₂O, increases the density of the glasses, while the molar volume decreases except for the PNC-5 (5 mol%) samples. X-ray diffraction confirms the amorphous nature of the samples. FTIR and Raman spectra reveal the presence of metaphosphate (Q²) and pyrophosphate (Q¹) structural units, indicating that the glass network becomes more polymerized as CuO is added up to 3 mol%. The optical band gap increases from 3.52 to 4.27 eV, while the refractive index decreases from 2.54 to 2.12 as the concentration of CuO increases up to 3 mol%. These observations, shows the dual behaviour of CuO i.e., network former (up to 3 mol%) and network modifier (above 3 mol%). These findings also suggest that the present glass material holds significant promises for applications in nonlinear optics.

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.