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Title A.C. Conductivity of Ag Incorporated Se-Te-Bi Glassy Alloy
Authors Kumar, Anup
Heera, Pawan
Sharma, Raman
ORCID
Keywords A.C.conductivity
Chalcogenide glasses
Activation energy
Frequency exponent
Type Article
Date of Issue 2013
URI http://essuir.sumdu.edu.ua/handle/123456789/31014
Publisher Сумський державний університет
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Citation Anup Kumar, Pawan Heera, Raman Sharma, J. Nano- Electron. Phys. 5 No 2, 02020 (2013) DOI
Abstract Effect of Ag addition on the a.c. conductivity as a function of frequency in Se80.5Bi1.5Te18 – yAgy (y  1.0, 1.5 and 2.0 at. %) glassy alloy has been investigated in the temperature range 300-355 K. The electrical conductivity is measured as a function of frequency () of an alternating electric field in the frequency range 1 -500 kHz, using Wayne Kerr 6500 B Impedance Analyzer. A.C. conductivity (ω) is found to increases with an increase in frequency for the entire range of temperature in all compositions. The frequency exponent s is found to decrease with an increase in temperature which indicates that the correlated barrier hopping is the possible conduction mechanism in the investigated samples. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/31014
Appears in Collections: Журнал нано- та електронної фізики (Journal of nano- and electronic physics)

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