A structural study of Ag-rich Ag-As-S glasses

被引：11

作者：

Kawaguchi, T ^{[1
]}

机构：

[1] Nagoya Univ, Instrument & Anal Ctr, Showa Ku, Nagoya, Aichi 466, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1998年 / 37卷 / 01期

关键词：

Ag-rich chalcogenide glass; structure of Ag-rich Ag-As-S glass; photoinduced surface deposition of Ag; photodeposition of Ag; excess Ag+ ion;

D O I：

10.1143/JJAP.37.29

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Thermal behavior, density, infrared absorption and X-ray photoelectron spectroscopy of AgxAs60-xS40 bulk glasses (35 less than or equal to alpha less than or equal to 47.5) have been investigated to obtain structural information on glasses that exhibit photoinduced surface deposition (PSD) of Ag. The compositional trends in the range of 40 less than or equal to x less than or equal to 47.5, where the PSD effect is observed, were very different from those in the range of 35 less than or equal to x less than or equal to 40. The trends in the range of 40 less than or equal to x less than or equal to 47.5 can be explained by assuming the existence of excess Ag+ ions in the glasses. The excess Ag+ ions, which contribute to the PSD, may lie between isolated AsS3 pyramids and bind loosely with surrounding S atoms.

引用

页码：29 / 33

页数：5

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