Electrical Properties of Lanthanum Doped Cobalt Ferrite Nanoparticales

Muhammad Kamran; Yasir Abbas; Tanveer Akhtar; Muhammad Anis-ur-Rehman

doi:10.4028/p-5v3687

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 119Electrical Properties of Lanthanum Doped Cobalt...

Electrical Properties of Lanthanum Doped Cobalt Ferrite Nanoparticales

Abstract:

Ferrites materials with Spinel structure have been broadly studied in recent years because of numerous technological applications. Lanthanum substituted Co-ferrites nanoparticles (CoLa_0.075Fe_1.925O₄) were synthesized via chemical co-precipitation method. X-ray Diffraction study revealed that prepared nanoparticales are single-phased spinel ferrites. Lattice constant, crystallite size, theoretical densities were estimated from XRD data. Electrical properties have been investigated with frequency ranging from 20Hz to 3MHz at room temperature. Dielectric constant and dielectric loss factor shows decreasing trend with increasing frequency. Ac conductivity exhibit increasing behavior with increasing frequency. The contribution of grains and intergrain boundaries in conduction process was estimated from impedance study. Nyquist plot shows dominant contribution of grain boundary resistance than the grain resistance in conduction mechanism.

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Periodical:

Advances in Science and Technology (Volume 119)

Pages:

37-42

DOI:

https://doi.org/10.4028/p-5v3687

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Online since:

September 2022

Authors:

Muhammad Kamran*, Yasir Abbas, Tanveer Akhtar, Muhammad Anis-ur-Rehman

Keywords:

Conduction Mechanism, Co-Precipitations, Dielectric Properties, X-Ray Diffraction

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