Superparamagnetic Behavior of Zinc-Substituted Nickel Ferrite Nanoparticles and its Effect on Mossbauer and Magnetic Parameters

Kurmude, D. V.; Kale, C. M.; Aghav, P. S.; Shengule, D. R.; Jadhav, K. M.

doi:10.1007/s10948-014-2535-y

Cited by 50 publications

(19 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Similar results have been reported for a zinc-substituted Cu-Ni spinel ferrite synthesized using the co-precipitation technique and a copper-doped Ni-Zn spinel ferrite. [29][30][31] Both the experimental and calculated magneton numbers increased for the sample x = 0.05 and were found to match well, as presented in Table 2.…”

Section: Vsm Analysissupporting

confidence: 59%

Cation distribution, magnetic and hyperfine interaction studies of Ni–Zn spinel ferrites: role of Jahn Teller ion (Cu²⁺) substitution

et al. 2020

Self Cite

View full text Add to dashboard Cite

show abstract

Section: Vsm Analysissupporting

confidence: 59%

Cation distribution, magnetic and hyperfine interaction studies of Ni–Zn spinel ferrites: role of Jahn Teller ion (Cu²⁺) substitution

et al. 2020

Self Cite

View full text Add to dashboard Cite

show abstract

“…The observed difference in the value of M s might be due to particle size, crystalline nature and arrangement of the particles, as well as the nature and composition of the dopant. The values obtained in our study can be explained by the preparation method and the size of grains [47,48].…”

Section: Photoluminescence Spectroscopymentioning

confidence: 67%

Role of Mn2+ Doping on Structural, Morphological, and Opto-Magnetic Properties of Spinel Mn x Co1−x Fe2O4 (x = 0.0, 0.1, 0.2, 0.3, 0.4, and 0.5) Nanocatalysts

Manikandan

Durka²,

Antony

2015

J Supercond Nov Magn

View full text Add to dashboard Cite

Spinel Mn x Co 1−x Fe 2 O 4 ; x = 0.0, 0.1, 0.2, 0.3, 0.4, and 0.5) nanoparticles were synthesized by ureaassisted auto combustion method using nitrates of Co, Mn and Fe as the starting materials and urea as the fuel. X-ray diffraction (XRD) analysis showed that all composition was found to have a cubic spinel structure. The average crystallite size of the samples was estimated using the Debye-Scherrer formula and was found to be in the range of 22.62 and 36.45 nm. The lattice parameter increased from 8.432 to 8.457Å with increasing the Mn 2+ content, which was determined by Rietveld analysis. High-resolution scanning electron microscopy (HR-SEM) and high-resolution transmission electron microscopy (HR-TEM) analyses were used to study the morphological variation, and the results showed a nanosized particlelike morphology. Energy-dispersive X-ray (EDX) results showed that the composition of the elements was relevant as expected from the synthesis. The bandgap energy of the pure CoFe 2 O 4 was estimated to be 2.33 eV from UV-visible diffuse reflectance spectroscopy (DRS). With the increase of Mn 2+ ion, the bandgap energy increased from 2.35 to 2.42 eV. The magnetic properties of the A. Manikandan ( ) · S. samples were investigated at room temperature by using a vibrating sample magnetometer (VSM). The magnetic hysteresis (M-H) loop confirmed the superparamagnetic nature of pure CoFe 2 O 4 and a weak ferromagnetic behavior of Mn 2+ doped CoFe 2 O 4 samples with specific saturation magnetization in the range of 55.16 ± 24 and 66.92 ± 05 emu/g. All compositions of spinel Mn x Co 1−x Fe 2 O 4 samples were successfully tested as catalyst for the conversion of benzyl alcohol, which has resulted in 62.75 and 92.62 % conversion efficiency of CoFe 2 O 4 and Mn 0.5 Co 0.5 Fe 2 O 4 , respectively.

show abstract

“…Several chemical methods have been developed to produce nanocrystalline ferrites, e.g., sol-gel [5,6], citrate precursor [7], co-precipitation [8], and microwave-assisted hydrothermal [9]. Among different dopants, nickel-zinc ferrites happen to be the most researched materials due to their remarkable magnetic properties such as large permeability at high frequency, remarkably high electrical resistivity, and low power loss [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Ultrasmall Nanocrystalline Zn-substituted Ni-Sm-Ga Ferrites

Yehia

Ismail

Mohamed

2015

J Supercond Nov Magn

View full text Add to dashboard Cite

Ultrasmall nanocrystalline NiSm 0.01 Fe 1.99 O 4 and Ni 1−x Zn x Sm 0.01 Ga 0.5 Fe 1.49 O 4 (x = 0.0, 0.3, 0.5) ferrites were synthesized by sol-gel method. The effect of Ga and Zn substitution on the particle size and structural and magnetic properties was investigated using X-ray diffraction patterns (XRD), transmission electron microscope (TEM), Mössbauer effect spectroscopy (ME), and vibrating sample magnetometer (VSM) techniques. XRD measurements suggest the formation of single-phase spinel ferrites with ultrasmall particles size ranging from 4 to 8 nm. Mössbauer effect measurements show a clear signature of superparamagnetism in the studied samples, where the reduced particle size causes the broadening of the Mössbauer spectra and the presence of a pronounced central doublet in all the measured samples. VSM measurements show a strong reduction of saturation magnetization due to size effects.

show abstract

Superparamagnetic Behavior of Zinc-Substituted Nickel Ferrite Nanoparticles and its Effect on Mossbauer and Magnetic Parameters

Cited by 50 publications

References 31 publications

Cation distribution, magnetic and hyperfine interaction studies of Ni–Zn spinel ferrites: role of Jahn Teller ion (Cu²⁺) substitution

Cation distribution, magnetic and hyperfine interaction studies of Ni–Zn spinel ferrites: role of Jahn Teller ion (Cu²⁺) substitution

Role of Mn2+ Doping on Structural, Morphological, and Opto-Magnetic Properties of Spinel Mn x Co1−x Fe2O4 (x = 0.0, 0.1, 0.2, 0.3, 0.4, and 0.5) Nanocatalysts

Synthesis and Characterization of Ultrasmall Nanocrystalline Zn-substituted Ni-Sm-Ga Ferrites

Contact Info

Product

Resources

About

Superparamagnetic Behavior of Zinc-Substituted Nickel Ferrite Nanoparticles and its Effect on Mossbauer and Magnetic Parameters

Cited by 50 publications

References 31 publications

Cation distribution, magnetic and hyperfine interaction studies of Ni–Zn spinel ferrites: role of Jahn Teller ion (Cu2+) substitution

Cation distribution, magnetic and hyperfine interaction studies of Ni–Zn spinel ferrites: role of Jahn Teller ion (Cu2+) substitution

Role of Mn2+ Doping on Structural, Morphological, and Opto-Magnetic Properties of Spinel Mn x Co1−x Fe2O4 (x = 0.0, 0.1, 0.2, 0.3, 0.4, and 0.5) Nanocatalysts

Synthesis and Characterization of Ultrasmall Nanocrystalline Zn-substituted Ni-Sm-Ga Ferrites

Contact Info

Product

Resources

About

Cation distribution, magnetic and hyperfine interaction studies of Ni–Zn spinel ferrites: role of Jahn Teller ion (Cu²⁺) substitution

Cation distribution, magnetic and hyperfine interaction studies of Ni–Zn spinel ferrites: role of Jahn Teller ion (Cu²⁺) substitution