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Dielectric and electrical properties of Se–S glassy alloys

✍ Scribed by Nadeem Musahwar; M.A. Majeed Khan; M. Husain; M. Zulfequar

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
281 KB
Volume
396
Category
Article
ISSN
0921-4526

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✦ Synopsis

The dielectric and electrical properties of Se 100Àx S x glasses (x ¼ 0; 5; 10; 15 and 20) were carried out in the frequency range 0.12-100 kHz and temperature range 303-393 K. The frequency dependence of the AC conductivity is found to obey the modified form of the universal power law, s 0 ¼ s 0 þ Ao s þ Bo s 0 . The analysis provides an indication of charge hopping mechanism. The influence of composition on the investigated parameters has been reported and attributed to the effect of sulfur fraction on the defect states.

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