掺杂 Mn2+ 离子的硼酸盐玻璃的物理、热性能、傅里叶变换红外光谱和拉曼光谱以及 γ 射线衰减能力：CaO/Al2O3 取代的作用

IF 3.8 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Optical Materials Pub Date : 2024-11-22 DOI:10.1016/j.optmat.2024.116461

Mohamad Raheem Ahmed , Norah A.M. Alsaif , Nazima Siddiqui , A.S. Sai Prasad , Mudavat Srinivas , Shaik Kareem Ahmmad , Kawa M. Kaky , Abed Jawad Kadhim , Y.S. Rammah

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引用次数: 0

摘要

通过熔体淬火工艺制备了掺杂 Mn2+ 离子的硼酸铝钙玻璃（CABM 玻璃）。对其进行了 XRD、物理、热特性、傅立叶变换红外光谱和拉曼光谱测量。此外，还对辐射衰减能力进行了评估。本研究得出以下结论。通过 XRD 测量证明了 CABM 玻璃的无定形状态。样品的密度（ρ）从 3.827 克/立方厘米到 2.766 克/立方厘米不等。折射率随着铝浓度的增加而增加。玻璃转化温度（Tg）随着氧化铝含量从 5 摩尔%到 15 摩尔%的增加而降低。利用傅立叶变换红外光谱确定了结构元素 BO3 和 BO4 的位置。Ca2+、Mn-O 和 Al 的键振动得到了傅立叶变换红外光谱和拉曼光谱带分布的支持。研究表明，AlO4 中 Al-O 键的延长与摩尔体积的增加有关。质量（MAC）衰减系数证实了以下趋势：(CABM0)MAC > (CABM1)MAC > (CABM2)MAC > (CABM3)MAC > (CABM4)MAC.半 (HVL) 值层按以下顺序验证：CABM0 < CABM1 < CABM2 < CABM3 < CABM4。结果表明，建议的 CABM 玻璃可用于固态器件和辐射衰减应用。

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Physical, thermal properties, FTIR and Raman spectroscopies as well as γ-ray attenuation capacity of borate glasses doped with Mn2+ ions: Role of CaO/Al2O3 substitution

Calcium aluminium borate glasses (CABM glasses) doped with Mn²⁺ ions were prepared by the melt quenching process. XRD, physical, thermal features, FTIR, and Raman spectroscopic measurements were performed. Also, the radiation attenuation capacity was evaluated. The following conclusions are drawn from the present study. The amorphous state of CABM glasses was proved by XRD measurements. Density (ρ) of samples varied from 3.827 g/cm³ to 2.766 g/cm³. The refractive index increased as Al concentration increased. The glass transition temperature (Tg) decreased with the presence of aluminium oxide from 5 to 15 mol%. The structural elements BO₃ and BO₄ were located using the FTIR spectra. The bond vibrations of Ca²⁺, Mn–O, and Al were supported by their FTIR and Raman band assignments. It has been shown that the lengthening of the Al–O bond in AlO₄ is connected with an increase in molar volume. Mass (MAC) attenuation coefficient confirmed the following trend: (CABM0)_MAC > (CABM1)_MAC > (CABM2)_MAC > (CABM3)_MAC > (CABM4)_MAC. Half (HVL) value layer verified the following order: CABM0 < CABM1 < CABM2 < CABM3 < CABM4. Results concluded that the suggested CABM glasses can be applied for solid state devices and radiation attenuation applications.

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.