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Structural and electrical properties of chromium substituted nickel ferrite by conventional ceramic method Cover

Structural and electrical properties of chromium substituted nickel ferrite by conventional ceramic method

Materials Science-Poland
Volume 34 (2016): Issue 1 (March 2016)
By:
Open Access
|Apr 2016

Figures & Tables

Figure 1

X-ray diffraction pattern for the NiCrxFe2−xO4 system sintered at 1350 °C.
X-ray diffraction pattern for the NiCrxFe2−xO4 system sintered at 1350 °C.

Figure 2

Variation of lattice parameters with the concentration of Cr for the NiCrxFe2−xO4 system sintered at 1350 °C.
Variation of lattice parameters with the concentration of Cr for the NiCrxFe2−xO4 system sintered at 1350 °C.

Figure 3

Variation of DC resistivity with temperature for the NiCrxFe2−xO4 system sintered at 1350 °C.
Variation of DC resistivity with temperature for the NiCrxFe2−xO4 system sintered at 1350 °C.

Figure 4

logρ vs. 1/T curve of the NiCrxFe2−xO4 system sintered at 1350 °C for measuring the activation energy.
logρ vs. 1/T curve of the NiCrxFe2−xO4 system sintered at 1350 °C for measuring the activation energy.

Figure 5

Variation in AC resistivity with frequency for all the samples of the NiCrxFe2−xO4 system sintered at 1350 °C.
Variation in AC resistivity with frequency for all the samples of the NiCrxFe2−xO4 system sintered at 1350 °C.

Figure 6

Variation of dielectric constant with frequency of the NiCrxFe2−xO4 system sintered at 1350 °C.
Variation of dielectric constant with frequency of the NiCrxFe2−xO4 system sintered at 1350 °C.

Figure 7

Variation of loss tangent with frequency for the NiCrxFe2−xO4 system sintered at 1350°C.
Variation of loss tangent with frequency for the NiCrxFe2−xO4 system sintered at 1350°C.

Lattice parameter, X-ray density, bulk density, porosity and activation energy for NiCrxFe2−xO4 sintered at 1350°C_

ConcentrationLattice parameterX-ray densityBulk densityPorosityActivation energy
x a [ Å]ρx [g/cm3]ρb [g/cm3]P [%]EfEpΔE = Ep − Ef
0.08.3395.4524.51517.200.141.741.60
0.28.3325.4454.57715.940.132.312.18
0.48.3215.4454.39819.230.101.941.84
0.68.3205.4254.27221.260.340.960.62
0.88.3175.4104.28420.810.401.030.63
1.08.3095.4044.09024.320.361.190.83
DOI: https://doi.org/10.1515/msp-2016-0028 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 185 - 191
Submitted on: Dec 2, 2015
Accepted on: Jan 5, 2016
Published on: Apr 27, 2016
Published by: Sciendo
In partnership with: Paradigm Publishing Services
Publication frequency: 4 times per year
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2016 Nusrat Jahan, Faruque-uz-Zaman Chowdhury, A.K.M Zakaria, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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