Impact of Gd3+ substitution on the structural, morphological, and electrical properties of lead-free Bi0.5Na0.5TiO3 ceramics

Kuanar, Bijayalaxmi; Dalai, Biswajit; Behera, D.; Mohanty, Hari Sankar

doi:10.1007/s10854-023-09965-9

J Mater Sci: Mater Electron

2023

DOI: 10.1007/s10854-023-09965-9

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Impact of Gd3+ substitution on the structural, morphological, and electrical properties of lead-free Bi0.5Na0.5TiO3 ceramics

Bijayalaxmi Kuanar

Biswajit Dalai

D. Behera

et al.

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Cited by 3 publications

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“…As mentioned in the article, Z' spectra can be explored to calculate the activation energy of non-localized conduction, whereas the M' spectra can potentially be chosen to calculate the activation energy of localized conduction. 55,71 For a given composition, the relaxation time reduces with rise in temperature. For a particular frequency, the relaxation duration can be determined using relation: Value of E a calculated from the Z″ spectra gradually increase while the value of E a calculated from the M″ spectra decrease with increasing Zn content.…”

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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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confidence: 99%

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, dielectric relaxation and conduction mechanism in Ho-doped Bi0.5Na0.5TiO3 ceramics

Kuanar,

Dalai,

Behera

et al. 2023

Indian J Phys

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Optical, electrical, and crystal structure study of BaZr0.01Ti0.99O3 ceramics modified with Gd3+ and Y3+ rare-earth ions

Hassan Yahakoub,

Bendahhou,

Chaou

et al. 2024

Ceramics International

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Impact of Gd3+ substitution on the structural, morphological, and electrical properties of lead-free Bi0.5Na0.5TiO3 ceramics

Cited by 3 publications

References 32 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, dielectric relaxation and conduction mechanism in Ho-doped Bi0.5Na0.5TiO3 ceramics

Optical, electrical, and crystal structure study of BaZr0.01Ti0.99O3 ceramics modified with Gd3+ and Y3+ rare-earth ions

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Impact of Gd3+ substitution on the structural, morphological, and electrical properties of lead-free Bi0.5Na0.5TiO3 ceramics

Cited by 3 publications

References 32 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, dielectric relaxation and conduction mechanism in Ho-doped Bi0.5Na0.5TiO3 ceramics

Optical, electrical, and crystal structure study of BaZr0.01Ti0.99O3 ceramics modified with Gd3+ and Y3+ rare-earth ions

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Product

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

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