Impact of Bi2O3/CdO replacement on physical, FTIR, and optical properties of high dense new CdO-BaO-Bi2O3-SiO2 glass system

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

Ceramics International Pub Date : 2025-05-01 DOI:10.1016/j.ceramint.2025.01.568

Norah A.M. Alsaif , Nada Alfryyan , Hanan Al-Ghamdi , Y.S. Rammah , Ebrahim A. Mahdy , H.A. Abo-Mosallam , A.S. Abouhaswa , Marwa A. El-Sayed

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Abstract

The melt-quenching technique was used to prepare cadmium barium silicate glass samples doped with Bi₂O₃. The glass samples that were prepared (Y = 0.0, 10, 20, and 30 % mol%) have a chemical composition of (50-Y)CdO-10BaO-40SiO₂-YBi₂O₃. X-ray diffraction (XRD) analysis was utilized to investigate the amorphous character of the produced glasses, while Fourier transform infrared spectroscopy (FTIR), density (ρ), molar volume (V_m), and crystal volume (V_c) were employed to study structural alterations. Furthermore, the optical properties of the glasses were estimated. XRD measurements verified that the synthetic glasses were amorphous. Replacements of Bi₂O₃/CdO led to an increase in the density of produced glasses from 4.87 to 6.74 g/cm³. However, similar behavioral trends were observed for the physical parameters V_m and V_c. FTIR measurements have confirmed that silicon requires more oxygen due to the conversion of SiO₂ units into SiO₄ in the glass networks, which increases cross-linkage in the glass network. The direct optical gap (E_indirect) reduced from 3.25 eV to 3.13 eV, whereas E_direct was declined from 3.38 eV to 3.27 eV. The Urbach's energy (ΔE) declined from 0.16 eV to 0.12 eV. The optical density (OD) parameter was in a strong correlation with the absorption coefficient (α) of the investigated glasses. The sample 20CdO-10BaO-30Bi₂O₃-40SiO₂ possessed a high significant increase in the opacity. Results confirmed that the suggested GBi glassy samples can be used in optical applications.

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Bi2O3/CdO置换对新型高密度CdO- bao -Bi2O3- sio2玻璃体系物理、FTIR和光学性能的影响

采用熔融淬火技术制备了掺杂Bi2O3的镉钡硅酸盐玻璃样品。所制备的玻璃样品（Y = 0.0、10、20和30% mol%）的化学组成为（50-Y）CdO-10BaO-40SiO2-YBi2O3。利用x射线衍射（XRD）分析所得玻璃的非晶态特征，利用傅里叶变换红外光谱（FTIR）、密度（ρ）、摩尔体积（Vm）和晶体体积（Vc）分析所得玻璃的结构变化。此外，还对玻璃的光学性能进行了估计。XRD测试证实合成玻璃是无定形的。Bi2O3/CdO的替换使玻璃的密度从4.87 g/cm3增加到6.74 g/cm3。然而，在物理参数Vm和Vc上观察到类似的行为趋势。FTIR测量证实，由于在玻璃网络中SiO2单元转化为SiO4，硅需要更多的氧气，这增加了玻璃网络中的交联。直接光隙（Eindirect）从3.25 eV减小到3.13 eV，而Edirect从3.38 eV减小到3.27 eV。乌尔巴赫能量（ΔE）从0.16 eV下降到0.12 eV。光学密度（OD）参数与玻璃的吸收系数（α）有较强的相关性。样品20CdO-10BaO-30Bi2O3-40SiO2的不透明度显著提高。结果证实了所建议的GBi玻璃样可以用于光学应用。

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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.