AGEING EFFECTS IN Ag-Ge-Se BULK GLASSES

被引：0
|
作者：
Gimena, P. P. [1 ]
Garrido, C. J. M. [1 ]
Delia, S. [2 ]
Urena, M. A. [1 ]
Fontana, M. [1 ]
Bibiana, A. [1 ]
机构：
[1] Univ Buenos Aires, CONICET, Fac Ingn, INTECIN, Buenos Aires, DF, Argentina
[2] Univ Nacl La Plata, Fac Ciencias Exactas, CEQUINOR, La Plata, Buenos Aires, Argentina
来源：
CHALCOGENIDE LETTERS | 2013年 / 10卷 / 11期
关键词：
CHALCOGENIDE GLASSES; ORIGIN;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Glasses of composition Ag-x(Ge0.25Se0.75)(100-x)and Ag-x(Ge0.25Se0.75)(100-x)doped with 0.5 at% of Fe-57 were analyzed with the aim to evaluate if their structure evidences any effect of ageing, for thousands of hours at room temperature and/or hundreds of hours for sub-Tg thermal treatments. Strong ageing effects were observed by means of Mossbauer spectroscopywhereas Raman spectroscopy contributed to identify the origin of these effects.
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页码：435 / 441
页数：7
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