Journal of Nanomaterials & Molecular NanotechnologyISSN: 2324-8777

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Research Article, J Nanomater Mol Nanotechnol Vol: 5 Issue: 3

Study of the Electrical Properties of Cr Doped Ni- Zn Ferrites as a Function of Temperature

Ashtar M1, Maqsood A1* and Anis-ur-Rehman M2
1Nano Scale physics Laboratory, Department of Physics, Air University, PAF Complex E-9, Islamabad, Pakistan
2Applied Thermal Physics Laboratory, Department of Physics, COMSATS Institute of Information Technology, Islamabad 44000, Pakistan
Corresponding author : Maqsood A
Nano Scale physics Laboratory, Department of Physics, Air University, PAF Complex E-9, Islamabad, Pakistan
E-mail: [email protected]
Received: April 19, 2016 Accepted: May 12, 2016 Published: May 19, 2016
Citation: Ashtar M, Maqsood A, Anis-ur-Rehman M (2016) Study of the Electrical Properties of Cr Doped Ni-Zn Ferrites as a Function of Temperature. J Nanomater Mol Nanotechnol 5:3. doi:10.4172/2324-8777.1000187

Abstract

Study of the Electrical Properties of Cr Doped Ni- Zn Ferrites as a Function of Temperature

Cr doped Ni-Zn ferrite powder with chemical formula Ni0.5Zn0.5Fe2- xCrxO4 (0.1 ≤ x ≤ 0.4) was synthesized using With Out Water and Surfactants (WOWS) sol-gel method. The variation of electrical parameters like resistivity and mobility as a function of temperature was investigated in the range of 433 - 770 K. Activation energies for all the samples were calculated from lnρdc versus 1/KBT plot. The variation of dielectric parameters such as dielectric constant (ἐ), dielectric loss (tan δ) and AC conductivity (αac) were examined in the temperature range of 297K-770 K. The results obtained were successfully explained.

Keywords: X-ray diffraction; Resistivity; Dielectric constant; Sol-gel synthesis; Ferrites

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