Structural and complex impedance properties of Zn2+ substituted nickel ferrite prepared via low-temperature citrate gel auto-combustion method

M. V. Santhosh Kumar; G. J. Shankarmurthy; E. Melagiriyappa; K. K. Nagaraja; H. S. Jayanna; M. P. Telenkov

doi:10.1007/s10854-018-9398-0

Structural and complex impedance properties of Zn²⁺ substituted nickel ferrite prepared via low-temperature citrate gel auto-combustion method

M. V. Santhosh Kumar
, G. J. Shankarmurthy
, E. Melagiriyappa
, K. K. Nagaraja^*
, H. S. Jayanna
, M. P. Telenkov

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

We report the productive synthesis of nanocrystalline zinc substituted mixed ferrite (Ni_1−xZn_xFe₂O₄ (0 ≤ x ≤ 1)) particles via low-temperature citrate gel auto-combustion method. The structure and microstructure of the particles, elemental analysis, and complex impedance properties are carried out by PXRD, FESEM, EDS and impedance spectroscopy respectively. The increased lattice parameters with Zn²⁺ concentrations suggest the substitution of Zn²⁺ ions to Ni²⁺. Dielectric constant, dielectric loss and AC conductivity were studied as a function of frequency infer a significant alteration in the dielectric constant, dielectric loss and A.C. conductivity and also showed that zinc substituted ferrites possess low tangent loss (≈ 10⁻²) at high frequencies. Further, the impedance spectroscopic studies reveal that Zn²⁺ substituted (x = 0.2, 0.8 and 1) samples attain non-Debye type dielectric relaxation.

Original language	English
Pages (from-to)	12795-12803
Number of pages	9
Journal	Journal of Materials Science: Materials in Electronics
Volume	29
Issue number	15
DOIs	https://doi.org/10.1007/s10854-018-9398-0
Publication status	Published - 01-08-2018

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1007/s10854-018-9398-0

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Santhosh Kumar, M. V., Shankarmurthy, G. J., Melagiriyappa, E., Nagaraja, K. K., Jayanna, H. S., & Telenkov, M. P. (2018). Structural and complex impedance properties of Zn²⁺ substituted nickel ferrite prepared via low-temperature citrate gel auto-combustion method. Journal of Materials Science: Materials in Electronics, 29(15), 12795-12803. https://doi.org/10.1007/s10854-018-9398-0

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title = "Structural and complex impedance properties of Zn2+ substituted nickel ferrite prepared via low-temperature citrate gel auto-combustion method",

abstract = "We report the productive synthesis of nanocrystalline zinc substituted mixed ferrite (Ni1−xZnxFe2O4 (0 ≤ x ≤ 1)) particles via low-temperature citrate gel auto-combustion method. The structure and microstructure of the particles, elemental analysis, and complex impedance properties are carried out by PXRD, FESEM, EDS and impedance spectroscopy respectively. The increased lattice parameters with Zn2+ concentrations suggest the substitution of Zn2+ ions to Ni2+. Dielectric constant, dielectric loss and AC conductivity were studied as a function of frequency infer a significant alteration in the dielectric constant, dielectric loss and A.C. conductivity and also showed that zinc substituted ferrites possess low tangent loss (≈ 10−2) at high frequencies. Further, the impedance spectroscopic studies reveal that Zn2+ substituted (x = 0.2, 0.8 and 1) samples attain non-Debye type dielectric relaxation.",

author = "\{Santhosh Kumar\}, \{M. V.\} and Shankarmurthy, \{G. J.\} and E. Melagiriyappa and Nagaraja, \{K. K.\} and Jayanna, \{H. S.\} and Telenkov, \{M. P.\}",

note = "Publisher Copyright: {\textcopyright} 2018, Springer Science+Business Media, LLC, part of Springer Nature.",

year = "2018",

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doi = "10.1007/s10854-018-9398-0",

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Santhosh Kumar, MV, Shankarmurthy, GJ, Melagiriyappa, E, Nagaraja, KK, Jayanna, HS & Telenkov, MP 2018, 'Structural and complex impedance properties of Zn²⁺ substituted nickel ferrite prepared via low-temperature citrate gel auto-combustion method', Journal of Materials Science: Materials in Electronics, vol. 29, no. 15, pp. 12795-12803. https://doi.org/10.1007/s10854-018-9398-0

Structural and complex impedance properties of Zn²⁺ substituted nickel ferrite prepared via low-temperature citrate gel auto-combustion method. / Santhosh Kumar, M. V.; Shankarmurthy, G. J.; Melagiriyappa, E. et al.
In: Journal of Materials Science: Materials in Electronics, Vol. 29, No. 15, 01.08.2018, p. 12795-12803.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Structural and complex impedance properties of Zn2+ substituted nickel ferrite prepared via low-temperature citrate gel auto-combustion method

AU - Santhosh Kumar, M. V.

AU - Shankarmurthy, G. J.

AU - Melagiriyappa, E.

AU - Nagaraja, K. K.

AU - Jayanna, H. S.

AU - Telenkov, M. P.

PY - 2018/8/1

Y1 - 2018/8/1

N2 - We report the productive synthesis of nanocrystalline zinc substituted mixed ferrite (Ni1−xZnxFe2O4 (0 ≤ x ≤ 1)) particles via low-temperature citrate gel auto-combustion method. The structure and microstructure of the particles, elemental analysis, and complex impedance properties are carried out by PXRD, FESEM, EDS and impedance spectroscopy respectively. The increased lattice parameters with Zn2+ concentrations suggest the substitution of Zn2+ ions to Ni2+. Dielectric constant, dielectric loss and AC conductivity were studied as a function of frequency infer a significant alteration in the dielectric constant, dielectric loss and A.C. conductivity and also showed that zinc substituted ferrites possess low tangent loss (≈ 10−2) at high frequencies. Further, the impedance spectroscopic studies reveal that Zn2+ substituted (x = 0.2, 0.8 and 1) samples attain non-Debye type dielectric relaxation.

AB - We report the productive synthesis of nanocrystalline zinc substituted mixed ferrite (Ni1−xZnxFe2O4 (0 ≤ x ≤ 1)) particles via low-temperature citrate gel auto-combustion method. The structure and microstructure of the particles, elemental analysis, and complex impedance properties are carried out by PXRD, FESEM, EDS and impedance spectroscopy respectively. The increased lattice parameters with Zn2+ concentrations suggest the substitution of Zn2+ ions to Ni2+. Dielectric constant, dielectric loss and AC conductivity were studied as a function of frequency infer a significant alteration in the dielectric constant, dielectric loss and A.C. conductivity and also showed that zinc substituted ferrites possess low tangent loss (≈ 10−2) at high frequencies. Further, the impedance spectroscopic studies reveal that Zn2+ substituted (x = 0.2, 0.8 and 1) samples attain non-Debye type dielectric relaxation.

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IS - 15

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Structural and complex impedance properties of Zn²⁺ substituted nickel ferrite prepared via low-temperature citrate gel auto-combustion method

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