Electrical and dielectric properties of amorphous GeTe alloy

Eman Mohamed Assim, Essam Gamal El-Metwally () and Mamdouh Mohamed Abdel-Aziz
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Eman Mohamed Assim: Physics Department, Faculty of Education, Ain Shams University
Essam Gamal El-Metwally: Physics Department, Faculty of Education, Ain Shams University
Mamdouh Mohamed Abdel-Aziz: Physics Department, Faculty of Education, Ain Shams University

The European Physical Journal B: Condensed Matter and Complex Systems, 2019, vol. 92, issue 12, 1-8

Abstract: Abstract DC electrical conductivity σDC has been investigated in the range of temperature (303–393 K) for bulk glass GeTe sample. The obtained results indicated that, σDC increases with temperature and there is one conduction mechanism for the investigated sample in the considered range of temperature. AC conductivity σAC(ω), dielectric constant ε′(ω) and dielectric loss ε′′(ω) of GeTe alloy are examined in the range of frequency from 60 Hz to 100 kHz and in the range of temperature from 303 K to 393 K. It is found that, σAC(ω) is temperature dependent and it is proportional with ωS, where the frequency exponent S

Keywords: Solid; State; and; Materials (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1140/epjb/e2019-100482-y

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