Influence of synthesis methods on structural and magnetic characteristics of Mg–Zn-ferrite nanopowders

Petrova, E.; Kotsikau, D.; Pankov, Vladimir; Fahmi, Amir

doi:10.1016/j.jmmm.2018.09.128

Cited by 46 publications

(13 citation statements)

References 21 publications

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“…Thanks to the spinel-ferrites’ exceptional electric and magnetic properties, they are promising significant future advancements in Lithium-Ion batteries, microwave electronics and catalysis [9,10,11]. The coercivity, remanent magnetization, saturation magnetization and anisotropy constant of the spinel-ferrites are found at the basis of many other applications [12].…”

Section: Introductionmentioning

confidence: 99%

Impact of Co2+ Substitution on Microstructure and Magnetic Properties of CoxZn1-xFe2O4 Nanoparticles

et al. 2019

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In the present work, we synthesized CoxZn1-xFe2O4 spinel ferrite nanoparticles (x= 0, 0.1, 0.2, 0.3 and 0.4) via the precipitation and hydrothermal-joint method. Structural parameters were cross-verified using X-ray powder diffraction (XRPD) and electron microscopy-based techniques. The magnetic parameters were determined by means of vibrating sample magnetometry. The as-synthesized CoxZn1-xFe2O4 nanoparticles exhibit high phase purity with a single-phase cubic spinel-type structure of Zn-ferrite. The microstructural parameters of the samples were estimated by XRD line profile analysis using the Williamson–Hall approach. The calculated grain sizes from XRPD analysis for the synthesized samples ranged from 8.3 to 11.4 nm. The electron microscopy analysis revealed that the constituents of all powder samples are spherical nanoparticles with proportions highly dependent on the Co doping ratio. The CoxZn1-xFe2O4 spinel ferrite system exhibits paramagnetic, superparamagnetic and weak ferromagnetic behavior at room temperature depending on the Co2+ doping ratio, while ferromagnetic ordering with a clear hysteresis loop is observed at low temperatures (5K). We concluded that replacing Zn2+ ions with Co2+ ions changes both the structural and magnetic properties of ZnFe2O4 nanoparticles.

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Section: Introductionmentioning

confidence: 99%

Impact of Co2+ Substitution on Microstructure and Magnetic Properties of CoxZn1-xFe2O4 Nanoparticles

et al. 2019

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“…While in a zinc ferrite, Zn 2+ cations only occupies the A -sites, forming a normal spinel. However, Mg 2+ ions occupy both the A -sites and B -sites in a spinel ferrite [ 1 , 13 , 29 , 32 ]. The variational proportion of cations distribution in A -sites and B -sites will greatly affect the structure, electricity and magnetism of spinel ferrite [ 29 , 32 ].…”

Section: Resultsmentioning

confidence: 99%

“…As an important member of ferrite family, spinel ferrite has unique attraction. For a long time, spinel ferrites have attracted the extensive interests due to their remarkable properties reflected in various applications, such as data storage devices [ 1 ], microwave absorbing materials [ 2 ], ferrofluid and catalysis [ 3 , 4 ], gas sensing materials [ [5] , [6] , [7] ], anode materials of lithium-ion batteries [ 8 ], magnetic hyperthermia [ [9] , [10] , [11] ], optical and dielectric materials [ 12 ], fast frequency response in soft magnetic materials and biomedical fields [ 13 ], etc. In recent years, the research on ZnFe 2 O 4 ferrite is fascinating.…”

Section: Introductionmentioning

confidence: 99%

Study on the influence of magnesium doping on the magnetic properties of spinel Zn-Mg ferrite

Zhang

2021

Materials Today Communications

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Polycrystalline spinel ferrite powders of Zn 1- x Mg x Fe 2 O 4 , ( x = 0.0, 0.4, 0.8, and 1.0) have been synthesized by solid-state reaction. An antiferromagnetic Néel temperature ( T N = 25 K) point is observed in ZnFe 2 O 4, while MgFe 2 O 4 shows a strong ferromagnetism. The magnetization value of Zn 1- x Mg x Fe 2 O 4 increases first and then decreases with the increase of x . When x = 0.8 (Zn 0.2 Mg 0.8 Fe 2 O 4 ), the value of the saturation magnetization ( M s ) reaches a maximum as 85.566 emu/g. The magnetization of Zn 1- x Mg x Fe 2 O 4 shows a very sensitive response to the Mg 2+ concentration at the tetrahedral sites ( A -sites) or the octahedral sites ( B -sites). I suggest that the A-B super-exchange interaction is enhanced after Mg 2+ ions substituting Zn 2+ ions.

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“…Among many various types of ferrite materials cubic spinel structure especially Mg-Zn ferrites, are very promising magnetic materials, which can be used in microwave devices, fuel cells, sensors, heterogeneous catalysis and biomedicine [3,4]. Recently nano-ferrites showed some advantages in the magnetic properties such as, superparamagnetic which qualified their use in many modern technologies including magnetic fluids, magnetic refrigeration, drug and gene delivery [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Physical and spectral studies of Mg-Zn ferrite prepared by different methods

Henaish

2019

Arab Journal of Nuclear Sciences and Applications

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Nano particle of Magnesium Zinc ferrite (Mg 1-x Zn x Fe 2 O 4 , where x = 0, 0.1, 0.2, 0.3, 0.4 and 0.5) have been prepared using the standard ceramic technique and mechanical ball milling method. X-ray diffraction (XRD), (IR) spectra, and scanning electron microscope (SEM) examinations were carried out to characterize the prepared samples. Single phase cubic spinel structure with a ma n peak (311) at 2Ɵ = 34 o was observed for all studied samples. The crystallite size was found to be within the range 37-65 nm. From IR spectra, the absorption bands at 605 cm-1 (ν 1) and 435 cm-1 (ν 2) were observed and are assigned to tetrahedral (A site) and octahedral (B site) groups complex respectively. The morphological study which was performed using scanning electron microscopy (SEM) shows agglomerated grains with different shapes and sizes. The initial permeability was measured at different frequencies. The fast decrease in initial permeability µi at Tc is a good reason to be a very strong candidate for magnetic switch devices.

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Influence of synthesis methods on structural and magnetic characteristics of Mg–Zn-ferrite nanopowders

Cited by 46 publications

References 21 publications

Impact of Co2+ Substitution on Microstructure and Magnetic Properties of CoxZn1-xFe2O4 Nanoparticles

Impact of Co2+ Substitution on Microstructure and Magnetic Properties of CoxZn1-xFe2O4 Nanoparticles

Study on the influence of magnesium doping on the magnetic properties of spinel Zn-Mg ferrite

Physical and spectral studies of Mg-Zn ferrite prepared by different methods

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