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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Ag migration in Ag-As-S glasses induced by electron-beam irradiation
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Ag migration in Ag-As-S glasses induced by electron-beam irradiation

机译：电子束辐照导致Ag-As-S玻璃中的Ag迁移

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摘要

Effects of electron-beam irradiation upon Ag-As-S glasses have been studied experimentally and theoretically. An electron beam accelerated at 10 kV induces Ag migration toward the irradiated part from surrounding regions, which can extend to similar to 50 mu m. As a result, the Ag-As-S glass with the Ag content, x, of 2 less than or equal to x less than or equal to 35 at.% decomposes to Ag-depleted and Ag-accumulated phases, in which x similar or equal to 0 and 90 at.%, respectively. The AE-content increase in the irradiated region occurs efficiently in the glasses with 15 less than or equal to x less than or equal to 30 at.%. A mechanism for the Ag migration can be accounted far by Ag+ ionic motion under an electric field which is generated by the electrons and/or by diffusion of excited holes. The observations are compared with the characteristics of other ion-migration phenomena observed in chalcogenide and oxide glasses.
机译：已经从实验和理论上研究了电子束辐照对Ag-As-S玻璃的影响。以10 kV加速的电子束会引起Ag从周围区域向被辐照部分迁移，该区域可以延伸到大约50μm。结果，具有小于或等于x小于或等于35原子％的x的2的Ag含量的Ag-As-S玻璃分解为贫Ag和富Ag的相，其中x相似。分别等于0和90 at。％。在15个小于或等于x小于或等于30at。％的眼镜中，在照射区域中的AE含量增加有效地发生。 Ag迁移的机理可以通过在由电子和/或通过激发空穴的扩散产生的电场下的Ag +离子运动来解释。将这些观察结果与硫属化物和氧化物玻璃中观察到的其他离子迁移现象的特征进行了比较。

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