Study of structural and magnetic properties of Li–Ni nanoferrites synthesized by citrate-gel auto combustion method

Aravind, G.; Raghasudha, M.; Ravinder, D.; Raja, M. Manivel; Meena, Sher Singh; Bhatt, Pramod; Hashim, Mohd.

doi:10.1016/j.ceramint.2015.10.077

Cited by 29 publications

(13 citation statements)

References 24 publications

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“…4 shows the HR-TEM images of Y 3+ ion-substituted CoY x Fe 2-x O 4 sintered at 800 °C for x= 0.0 and 0.15. They confirmed that the particles were spherical in shape and agglomerated to some amount due to magnetic dipole interactions occurring within ferrite nanoparticles [17,18]. The higher reactivity by heat treatment of the prepared samples was a clear sign of the agglomeration.…”

Section: Resultsmentioning

confidence: 65%

Substitution effect of Y3+ ions on the structural, magnetic and electrical properties of cobalt ferrite nanoparticles

Satpute¹,

Wadgane²,

Desai³

et al. 2020

Cerâmica

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Y3+-doped cobalt ferrite nanoparticles, CoYxFe2-xO4 (x=0.00, 0.05, 0.10, 0.15), were synthesized using the sol-gel auto-combustion technique. Single-phase cubic spinel structure was confirmed by the X-ray diffraction technique. The lattice parameter increased with the increase of Y3+ content in the cobalt ferrite and varied from 8.3876 to 8.4271 Å. FE-SEM images showed that the samples had distinct crystalline nanoparticles of spherical shape with small agglomeration. EDAX results showed good agreement with the particularized composition. Magnetic measurement using a vibrating sample magnetometer (VSM) recorded a reduction in saturation magnetization (Ms) and coercivity (Hc) by Y3+ substitution. The values of Ms and Hc ranged from 66.61 to 17.52 emu/g and 1168.9 to 801.9 Oe, respectively. The electrical properties of Y3+-substituted cobalt ferrite were studied by measuring the dielectric constant and loss. With increasing frequency, the value of the dielectric constant decreased, as a natural behavior of the ferrite material.

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Section: Resultsmentioning

confidence: 65%

Substitution effect of Y3+ ions on the structural, magnetic and electrical properties of cobalt ferrite nanoparticles

Satpute¹,

Wadgane²,

Desai³

et al. 2020

Cerâmica

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show abstract

“…2 Herein, the distance between A-site and B-site magnetic cations can be normally treated as hopping lengths of A-and B-sites, respectively. 2 Herein, the distance between A-site and B-site magnetic cations can be normally treated as hopping lengths of A-and B-sites, respectively.…”

Section: Resultsmentioning

confidence: 99%

“…where "a" is the lattice parameter. 2 Herein, the distance between A-site and B-site magnetic cations can be normally treated as hopping lengths of A-and B-sites, respectively. The obtained results were listed in Table 1.…”

Section: X-ray Diffraction Spectramentioning

confidence: 99%

“…1 However, these parameters mainly depend upon the type of cations, charge carriers (electrons or holes), and cationic distribution at A-and B-sites (tetrahedral and octahedral, respectively). 2 In the literature, it is found that several scientists worked on zinc ferrite (ZF) and cobalt ferrites (CF) and doped nanoparticles for photocatalytic, electrical, magnetic, and superparamagnetic properties. Therefore, these ferrite materials can be extensively useful for electromagnetic device applications.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, these ferrite materials can be extensively useful for electromagnetic device applications. 2 In the literature, it is found that several scientists worked on zinc ferrite (ZF) and cobalt ferrites (CF) and doped nanoparticles for photocatalytic, electrical, magnetic, and superparamagnetic properties. [3][4][5][6] Herein, for the synthesis of nanoparticles, citric acid worked as an additional precursor along with the stoichiometric materials.…”

Section: Introductionmentioning

confidence: 99%

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Magnetic and antimicrobial properties of cobalt‐zinc ferrite nanoparticles synthesized by citrate‐gel method

Vinuthna

Naidu

et al. 2019

Int J Applied Ceramic Tech

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The cobalt‐zinc ferrite (CZF) nanomaterials were prepared by citrate‐gel method, and further calcined at 600°C. The single‐phase cubic spinel structure of CZF was confirmed using the X‐ray diffraction pattern. The average crystallite size was found to be in the range of 22‐29 nm. The surface morphology was examined using the scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The average particle size of Co0.6Zn0.4Fe2O4 was determined to be 19 nm using TEM study which is supporting the average crystallite size measured from the X‐ray diffraction studies. The Fourier‐transform infrared spectra revealed the two strong absorption bands in the series of ferrites between 4500 and 500 cm−1 and these are responsible for the characteristic of spinel ferrites. The presence of elements Cu, Zn, and Co of CZF was confirmed by the elemental spectral signals of energy dispersive spectroscopy. At room temperature, the magnetic measurements of pure ZnFe2O4 and Co0.6Zn0.4Fe2O4 were evaluated based on hysteresis curves (M‐H curves). The results expressed that the addition of nonmagnetic Zn2+ ions increases the magnetic behavior in the mixed CZF samples. The antimicrobial activity of the ZnFe2O4 and Co0.6Zn0.4Fe2O4 nanoferrites was tested against harmful microbes.

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Synthesis of nano-NiXFe2O4 (X = Mg/Co) by citrate-gel method: structural, morphological and low-temperature magnetic properties

et al. 2019

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Study of structural and magnetic properties of Li–Ni nanoferrites synthesized by citrate-gel auto combustion method

Cited by 29 publications

References 24 publications

Substitution effect of Y3+ ions on the structural, magnetic and electrical properties of cobalt ferrite nanoparticles

Substitution effect of Y3+ ions on the structural, magnetic and electrical properties of cobalt ferrite nanoparticles

Magnetic and antimicrobial properties of cobalt‐zinc ferrite nanoparticles synthesized by citrate‐gel method

Synthesis of nano-NiXFe2O4 (X = Mg/Co) by citrate-gel method: structural, morphological and low-temperature magnetic properties

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