Dielectric properties of Mn[sub 0.5]Zn[sub 0.5]Fe[sub 2]O[sub 4] ferrite nanoparticles

Murugesan, C.; Gazzali, P. M. Mohammed; Sathyamoorthy, B.; Chandrasekaran, G.

doi:10.1063/1.4791037

AIP Conference Proceedings

2013

DOI: 10.1063/1.4791037

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Dielectric properties of Mn[sub 0.5]Zn[sub 0.5]Fe[sub 2]O[sub 4] ferrite nanoparticles

C. Murugesan

P. M. Mohammed Gazzali

B. Sathyamoorthy

et al.

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“…As such, due to insignificant absorption low loss is incurred over higher frequencies. 43 Dielectric loss tangent decreases with increasing Zn ion concentration, as observed in Fig. 3b.…”

supporting

confidence: 55%

Structural, Morphological and Electrical Studies of Co_1-xZn _x Fe₂O₄ Ceramics

Shah

Dalai

Sutar³

et al. 2023

ECS J. Solid State Sci. Technol.

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The Zn-modified CoFe2O4 (CZFO) (Co1-xZnxFe2O4 (0.0 ≤ x ≤ 0.4)) is synthesised using the sol-gel auto-combustion method. The structural properties of CZFO at room temperature (RT) are studied using the X-ray diffraction technique. The average crystallite size of CZFO ceramics is measured from the XRD data employing the Williamson-Hall method. The lattice constant is increased with an increase in Zn concentration (x). FESEM micrographs confirm the uniform distribution of grains and the presence of small amounts of pores throughout the sample microstructure. The EDX characterization of these samples confirms the phase purity of compounds. The electrical properties are explored as a function of temperature over wide frequencies. The value of the dielectric constant increases with an increasing Zn concentration. Complex impedance and complex modulus spectroscopic techniques reveal the existence of the non-Debye kind of dielectric relaxation behaviour. AC conductivity (ac) increases with increase in frequency, while decreases with increase in Zn concentration. Temperature-dependent ac conductivity study suggests the presence of NTCR behaviour in Co1-xZnxFe2O4 ceramics. The estimated values of activation energy (Ea) increase with the substitution of Zn in cobalt ferrite.

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“…As such, due to insignificant absorption low loss is incurred over higher frequencies. 43 Dielectric loss tangent decreases with increasing Zn ion concentration, as observed in Fig. 3b.…”

supporting

confidence: 55%

Structural, Morphological and Electrical Studies of Co_1-xZn _x Fe₂O₄ Ceramics

Shah

Dalai

Sutar³

et al. 2023

ECS J. Solid State Sci. Technol.

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Structural, AC conductivity, impedance and dielectric study of nanocrystalline MFe2O4 (M = Mg, Co or Cu) spinel ferrites

Murugesan

Okrasa

Chandrasekaran

2017

J Mater Sci: Mater Electron

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Analysis of conductivity and dielectric spectra of Mn 0.5 Zn 0.5 Fe 2 O 4 with coupled Cole–Cole type anomalous relaxations

Kumar

Shahid

Govindaraj

2016

Physica B: Condensed Matter

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Dielectric properties of Mn[sub 0.5]Zn[sub 0.5]Fe[sub 2]O[sub 4] ferrite nanoparticles

Cited by 6 publications

References 0 publications

Structural, Morphological and Electrical Studies of Co_1-xZn _x Fe₂O₄ Ceramics

Structural, Morphological and Electrical Studies of Co_1-xZn _x Fe₂O₄ Ceramics

Structural, AC conductivity, impedance and dielectric study of nanocrystalline MFe2O4 (M = Mg, Co or Cu) spinel ferrites

Analysis of conductivity and dielectric spectra of Mn 0.5 Zn 0.5 Fe 2 O 4 with coupled Cole–Cole type anomalous relaxations

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Dielectric properties of Mn[sub 0.5]Zn[sub 0.5]Fe[sub 2]O[sub 4] ferrite nanoparticles

Cited by 6 publications

References 0 publications

Structural, Morphological and Electrical Studies of Co1-x Zn x Fe2O4 Ceramics

Structural, Morphological and Electrical Studies of Co1-x Zn x Fe2O4 Ceramics

Structural, AC conductivity, impedance and dielectric study of nanocrystalline MFe2O4 (M = Mg, Co or Cu) spinel ferrites

Analysis of conductivity and dielectric spectra of Mn 0.5 Zn 0.5 Fe 2 O 4 with coupled Cole–Cole type anomalous relaxations

Contact Info

Product

Resources

About

Structural, Morphological and Electrical Studies of Co_1-xZn _x Fe₂O₄ Ceramics

Structural, Morphological and Electrical Studies of Co_1-xZn _x Fe₂O₄ Ceramics