铝硼硅玻璃中氯局部环境的光谱学方法

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Letters Pub Date : 2024-10-28 DOI:10.1016/j.matlet.2024.137618

Guillaume Lefebvre , Nicolas Trcera , Michael Paris , Yann Morizet

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引用次数: 0

摘要

我们使用光谱方法（XAS 和 XPS）研究了在 1.0 GPa 下合成的含 Na 和 Ca 的铝硼硅酸盐玻璃的氯局部环境。根据 Cl K-edge EXAFS 的结果，Cl 在玻璃中似乎显示出两种局部环境：一种位于长距离 ∼ 2.7 Å 处，属于由 Na+ 和/或 Ca2+ 补偿电荷的 Cl- 物种；另一种位于短距离 ∼ 1.8 Å 处，属于 Cl-Cl 和 Si-Cl 物种。Cl 2p XPS 结果不能明确证实存在与 Na+/Ca2+...Cl-物种重叠的 Si-Cl。

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Spectroscopic approach to chlorine local environment in aluminoborosilicate glasses

Chlorine local environment has been investigated using spectroscopic approach (XAS and XPS) for Na- and Ca-bearing aluminoborosilicate glasses synthesised at 1.0 GPa. Based on Cl K-edge EXAFS results, Cl appears to show two local environments in glasses: one at long distance ∼2.7 Å assigned to Cl^- species charge compensated by Na⁺ and/or Ca²⁺ and one at short distance ∼1.8 Å assigned to Cl-Cl and Si-Cl species. The Cl 2p XPS results cannot unambiguously confirm the presence of Si-Cl overlapped with Na⁺/Ca²⁺…Cl^- species.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive