A. Al- Dhahir, T., E. Al-Mahdawi, M. (2016). Dielectric and optical behaviors for pure potassium sulfate and doped with copper and iron. , 57(3), 1699-1706.
Tariq A. Al- Dhahir; Maryam E. Al-Mahdawi. "Dielectric and optical behaviors for pure potassium sulfate and doped with copper and iron". , 57, 3, 2016, 1699-1706.
A. Al- Dhahir, T., E. Al-Mahdawi, M. (2016). 'Dielectric and optical behaviors for pure potassium sulfate and doped with copper and iron', , 57(3), pp. 1699-1706.
A. Al- Dhahir, T., E. Al-Mahdawi, M. Dielectric and optical behaviors for pure potassium sulfate and doped with copper and iron. , 2016; 57(3): 1699-1706.

Dielectric and optical behaviors for pure potassium sulfate and doped with copper and iron

Iraqi Journal of Science
Article 1, Volume 57, Issue 3, 2016, Pages 1699-1706
Authors
Tariq A. Al- Dhahir; Maryam E. Al-Mahdawi
Abstract
Dielectric measurements were carried on pure and doping potassium sulfate with copper and iron ions samples at 1wt.% and 3wt.% for both of copper and iron. The dielectric constant (ε') decreases exponentially from 2.8 to 1.5 as frequency increase for both dopant which is attributed to the space charge and structural distortion. The dielectric loss (ε") for Cu dopant decrease gradually with frequency. The same behavior for 1%Fe dopant while its 3%Fe doping started from 0.27 then decrease exponential. Band gaps for all samples almost constant around 6 eV.
Keywords
doped K; dielectric constant; loss tangent; LCR Meter; optical measurements
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