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首页> 外文期刊>International Journal of Quantum Chemistry >Processing and characterization of new oxysulfide glasses in the Ge-Ga-As-S-O system
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Processing and characterization of new oxysulfide glasses in the Ge-Ga-As-S-O system

机译：Ge-Ga-As-S-O系统中新型氧硫化玻璃的加工与表征

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New oxysulfide glasses have been prepared in the Ge-Ga-As system employing a two-step melting process which involves the processing of the chalcogenide glass (ChG) and its subsequent melting with amorphous GeO2 powder. Optical characterization of the synthesized oxysulfide glasses has shown that the cut-off wavelength decreases with increasing oxygen content, and this has been correlated to results of Raman and infrared (IR) spectroscopies which show the formation of new oxysulfide structural Units. X-ray photoelectron spectroscopy (XPS) analysis to probe the bonding environment of oxygen atoms in the oxysulfide glass network, has revealed the preferred formation of Ga-O and Ge-O bonds ill comparison to As-O bonds. This work has demonstrated that melting a ChG glass with GeO2 leads to the formation of new oxysulfide glassy materials. Crown Copyright (C) 2008 Published by Elsevier Inc. All rights reserved.
机译：已经在Ge-Ga-As系统中采用两步熔化工艺制备了新的氧硫化物玻璃，该工艺包括硫族化物玻璃（ChG）的加工以及随后与无定形GeO2粉末的熔化。合成的氧硫化物玻璃的光学表征表明，截止波长随氧含量的增加而减小，这与拉曼光谱和红外光谱的结果相关，后者显示了新的氧硫化物结构单元的形成。通过X射线光电子能谱（XPS）分析来探究氧硫化物玻璃网络中氧原子的键合环境，发现与As-O键相比，Ga-O和Ge-O键的形成较为理想。这项工作表明，将ChG玻璃与GeO2熔融会导致形成新的氧硫化玻璃质材料。 Crown版权所有（C）2008，由Elsevier Inc.保留。保留所有权利。

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