Rietveld refinement, microstructure and ferromagnetic resonance linewidth of iron-deficiency NiCuZn ferrites

Sun, Kening; Pu, Zhiyong; Yang, Yan; Chen, Linglong; Zhong, Yu; Wu, Chuanjian; Jiang, Xiaona; Lan, Zhongwen

doi:10.1016/j.jallcom.2016.04.164

Cited by 53 publications

(9 citation statements)

References 29 publications

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“…These results are similar with the bilayer structure of FeGa/FeNi in another study [11]. Meanwhile, the spectra of FMR are almost symmetrical and the maximum peak strength indicates that the samples have better soft magnetic property [23,24]. We also measured the FMR with different angles in-plane which are almost in the same position with similar curves.…”

Section: Dynamic Magnetic Properties Of Fega/feni (Feni/fega) Filmssupporting

confidence: 85%

Static and Dynamic Magnetic Properties of FeGa/FeNi (FeNi/FeGa) Bilayer Structures

Wang

Hou

et al. 2020

Coatings

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FeGa/FeNi bilayer structures with different deposition order were fabricated by the electrodeposition method on indium tin oxide (ITO) substrates. The structure, morphology, static and dynamic magnetic properties of FeGa/FeNi (FeNi/FeGa) films were investigated. The bilayer structures exhibit extremely various magnetic properties with different deposition order which could be attributed to the different coupling interaction in the interface. When FeGa is on top, the bilayer structures show lower coercivity than when FeNi is on top. Meanwhile, increase of the proportion of FeNi in the bilayer structure could affect the Hc and Mr/Ms. The ferromagnetic resonance peak of FeGa on top moves to a high field compared with FeNi on top. Moreover, FeGa on top shows improved complex permeability and a clear resonant phenomenon of the magnetization. These properties make FeGa/FeNi bilayer structure a potential candidate for high-frequency application.

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Section: Dynamic Magnetic Properties Of Fega/feni (Feni/fega) Filmssupporting

confidence: 85%

Static and Dynamic Magnetic Properties of FeGa/FeNi (FeNi/FeGa) Bilayer Structures

Wang

Hou

et al. 2020

Coatings

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“…The magnetic properties of ferrites obtained under the action of CNP on the suspension of iron(II) and Me(II) polyhydroxides complexes are dependent on the pH of the solution of the iron(II) salt or the Fe(OH) 2 suspension, the temperature of the reaction medium, the rate of oxidation, its activity and efficiency distribution in the reaction medium, and the concentration of iron(II) ions in the solution or iron(II) hydroxide in suspension [12][13][14][15]. But one of the most important factors is the cationic composition of ferrites [16][17][18][19][20][21][22]. In accordance with the simplex method, ten samples were synthesized and their properties were investigated.…”

Section: Resultsmentioning

confidence: 99%

Investigation of the Magnetic Properties of Ferrites in the CoO-NiO-ZnO Using Simplex-Lattice Design

Frolovа

Хмеленко

2018

Journal of Nanomaterials

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The article is devoted to the analysis of changes in the magnetic characteristics of ferrites in the CoO-NiO-ZnO system by the simplex method. Ferrites of Ni-Zn, Co-Zn, and Co-Ni were synthesized in the form of nanoparticles (20-40 nm) using a new method for processing contact nonequilibrium low-temperature plasma (CNP). The effect of the mutual influence of the contents of different cations on the saturation magnetization and the coercive field was investigated using the simplexlattice method. A magnetic investigation using a vibrational magnetometer shows that low magnetization values are observed for Ni-Zn ferrites and high for the entire Co-Zn and Co-Ni ferrite series. EPR spectra show that the value of the resonant field and line width corresponds to the value of magnetic saturation and is due to the arrangement of cations on sublattices.

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“…Ferromagnetic resonance (FMR) spectroscopy is used to study the relaxation mechanisms and microwave losses in magnetic nanostructures. Ferrite materials for applications in microwave magnetic devices such as isolator, phase shifter, or circulator are required to possess high resistivity, low microwave losses, and narrow FMR linewidth in order to minimize the heat productivity [1,2]. Microwave relaxation basically yields information on the interactions between the crystal lattice and magnetic excitations.…”

Section: Introductionmentioning

confidence: 99%

Correlation between ferromagnetic resonance and densification of RE substituted polycrystalline ferrites

Manzoor

Khan

Kuch

2018

Ceramics International

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We report the dopant-and size-dependent variations in high-frequency magnetic and electrical transport properties of Ho-substituted Li-Mn polycrystalline ferrites. Thermal stability and phase identification were confirmed by thermal gravimetric analysis and X-ray diffraction experiments. The overall average crystallite size decreased from 29.6 to 17.5 nm, whereas the bulk density increased from 3.47 to 4.29 g/cm 3 with increasing Ho content. Ferromagnetic resonance (FMR) measurements at the X-band revealed significant shifts in FMR linewidths and resonance positions as a function of composition. Both, FMR linewidth and porosity, were found to decrease with the systematic addition of Ho from 2538 to 2359 Oe and from 26 to 15.4%, respectively. The substitution of Ho 3+ for Fe 3+ reduced the net magnetization of the spinel lattice from 53 to 41 emu/g. Electrical measurements revealed that the resistivity is higher in samples with smaller grains possessing a greater number of thin insulating grain boundaries. The activation energy ∆E required for hopping increases from 0.09 to 0.16 eV with Ho addition, which may be well explained by the increase in resistivity. The substitution of Ho 3+ for Fe 3+ causes a decrease in Curie temperature T c due to the damping of A-B exchange interactions.

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Rietveld refinement, microstructure and ferromagnetic resonance linewidth of iron-deficiency NiCuZn ferrites

Cited by 53 publications

References 29 publications

Static and Dynamic Magnetic Properties of FeGa/FeNi (FeNi/FeGa) Bilayer Structures

Static and Dynamic Magnetic Properties of FeGa/FeNi (FeNi/FeGa) Bilayer Structures

Investigation of the Magnetic Properties of Ferrites in the CoO-NiO-ZnO Using Simplex-Lattice Design

Correlation between ferromagnetic resonance and densification of RE substituted polycrystalline ferrites

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