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microstructure related to magnetic properties in nickel zinc ferrite

microstructure related to magnetic properties in nickel zinc ferrite

Microstructure, phase, magnetic properties, and ...

2021-10-23  In this work, an ultralight nanocomposite of graphene oxide aerogels as a matrix and nickel-zinc ferrite (Ni 0.7 Zn 0.3 Fe 2 O 4) nanoparticles as a second phase for the absorption of electromagnetic waves in the frequency of 1–18 GHz were fabricated by the hydrothermal - freeze-drying method. α-Al 2 O 3 nanoparticles were used for further impedance matching for applications in ...

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Synthesis, Microstructure and Magnetic Properties of

Zinc ferrite nanoparticles is synthesized by the sol-gel method from Zn (NO3)2.6H2O and Fe (NO3)3.9H2O by using molar concentrations (0.2M and 0.4M), and all

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Synthesis, magnetic properties and microstructure of

2007-1-1  The XRD analyses of the as-dried and four other samples calcined at the different temperatures of 200, 400, 600 and 1000 °C for 4 h are shown in Fig. 1.The diffraction patterns of the nickel–zinc ferrite undercalcined up to 400 °C are also illustrated in Fig. 1.The overcalcined powder was obtained at the temperature of 600 °C.At this temperature, the single-phase spinel, Ni 0.3 Zn 0.7 Fe ...

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Bi3+ doping-adjusted microstructure, magnetic, and ...

2020-11-1  Bi 3+ doping-adjusted microstructure, magnetic, and dielectric properties of nickel zinc ferrite ceramics for high frequency LTCC antennas Author links open overlay panel Yan Yang a b Huaiwu Zhang a Jie Li a Yiheng Rao a Gang Wang a Gongwen Gan a

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MICROSTRUCTURE DEVELOPMENT IN NICKEL ZINC

2010-7-21  MICROSTRUCTURE DEVELOPMENT IN NICKEL ZINC FERRITES Okatan, Mahmut Barış ... nickel zinc ferrite ceramics at low soaking temperatures. For this purpose, ... microstructural, dielectric and magnetic properties were conducted with respect to CaF2 content of ceramics and soak duration.

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Influence of evolving microstructure on magnetic ...

Microstructure-related analysis. ... the changing patterns of magnetic hysteresis in nickel–zinc ferrite due to sintering temperature variation are now clearly understood: A particular pattern/shape, within which all the magnetic hysteresis parameters are contained, is a manifestation of the combined effect of a particular set of conditions ...

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Microstructure and Magnetic Studies of Zinc Ferrite Nano ...

The present paper deals with the synthesis of Zinc Ferrite (ZnFe 2 O 4 ) nanoparticles using simple, low cost co - precipitation method and study the structural, optical, magnetic and electrical ...

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(PDF) Synthesis, Permeability and Microstructure of the ...

The homogeneous microstructure of zinc ferrite indicating the ability to control the electric-magnetic properties and heat treatments temperature which decrease the impurities generated during the ...

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Magnetocaloric Properties of Zinc-Nickel Ferrites Around ...

2017-2-14  In this paper, structural, magnetic, and magnetocaloric properties of zinc-doped nickel ferrite, Zn1−xNixFe2O4 (x= 0.3 and 0.4) were investigated. The samples were prepared using solid-state reaction. X-ray diffraction (XRD) and magnetization measurements were performed to study crystallographic structure and magnetic properties. For a magnetic field changing from 0 to 5 T, the

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Magnetic Properties of Zinc Ferrite Nanoparticles ...

2014-1-29  Spinel zinc ferrite (ZnFe 2 O 4) has a great potential in many technological applications, including photoinduced transformer, ferrofluids, and magnetic resonance imaging (MRI), due to its unique properties such as chemical and thermal stability and the particle size dependence on magnetic properties [1–4].. The spinel ferrites are described by the formula (A)[B] 2 O 4, where (A) and [B ...

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Synthesis, Microstructure and Magnetic Properties of

Zinc ferrite nanoparticles is synthesized by the sol-gel method from Zn (NO3)2.6H2O and Fe (NO3)3.9H2O by using molar concentrations (0.2M and 0.4M), and all

Read More
(PDF) Microstructure and magnetic behaviour of Ni-Zn-Co ...

Cobalt-substituted nickel–zinc ferrite nanoparticles (Ni0.6−x Zn0.4Cox Fe2O4) (x = 0, 0.0165, 0.033, 0.264 and 0.528) have been synthesized and characterized with respect to their structural ...

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Microstructure and Electromagnetic Properties of Ni-Zn

2016-4-13  Microstructure and Electromagnetic Properties of Ni-Zn-Co Ferrite up to 20 GHz. Charalampos Stergiou 1,2. 1Laboratory of Materials for Electrotechnics, Department of Electrical and Computer Engineering, Aristotle University, 54124 Thessaloniki, Greece. 2Laboratory of Inorganic Materials, Centre for Research and Technology Hellas, Thermi, 57001 ...

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Synthesis, magnetic properties and microstructure of Ni Zn ...

In the study, the Ni-Zn ferrite powder of a Ni 0.3 Zn 0.7 Fe 2 O 4 composition was synthesized by sol-gel route using metal acetates at low temperatures. Both the scanning electron microscope and X-ray diffraction analyses of various gel samples heated at different temperatures were used to identify the reaction stages where the amorphous-gel-to-crystalline phase transition occurred.

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MICROSTRUCTURE DEVELOPMENT IN NICKEL ZINC

2010-7-21  MICROSTRUCTURE DEVELOPMENT IN NICKEL ZINC FERRITES Okatan, Mahmut Barış ... nickel zinc ferrite ceramics at low soaking temperatures. For this purpose, ... microstructural, dielectric and magnetic properties were conducted with respect to CaF2 content of ceramics and soak duration.

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Microstructural and magnetic properties of Zn substituted ...

2019-6-26  The impact of substitution of non-magnetic Zn 2+ ions in the Ni ferrite has been analysed by Mössbauer parameters and its magnetic properties. 2 Materials and method The ferrite materials with composition Ni 1− x Zn x Fe 2 O 4 (where x = 0, 0.1,

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(PDF) Synthesis, Permeability and Microstructure of the ...

The homogeneous microstructure of zinc ferrite indicating the ability to control the electric-magnetic properties and heat treatments temperature which decrease the impurities generated during the ...

Read More
Microstructure and Magnetic Studies of Zinc Ferrite Nano ...

The present paper deals with the synthesis of Zinc Ferrite (ZnFe 2 O 4 ) nanoparticles using simple, low cost co - precipitation method and study the structural, optical, magnetic and electrical ...

Read More
Sintering Temperature Effect on Microstructure and ...

2018-2-20  The morphology and evolution of magnetic properties in multisample sintering (MSS) of yttrium iron garnet (Y3Fe5O12, YIG) and single-sample sintering (SSS) of nickel zinc ferrite (Ni0.6Zn0.4Fe2O4, NZF) were studied in detail, focusing on the

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Magnetic Properties of Zinc Ferrite Nanoparticles ...

2014-1-29  Spinel zinc ferrite (ZnFe 2 O 4) has a great potential in many technological applications, including photoinduced transformer, ferrofluids, and magnetic resonance imaging (MRI), due to its unique properties such as chemical and thermal stability and the particle size dependence on magnetic properties [1–4].. The spinel ferrites are described by the formula (A)[B] 2 O 4, where (A) and [B ...

Read More
(PDF) Microstructure and magnetic behaviour of Ni-Zn-Co ...

Cobalt-substituted nickel–zinc ferrite nanoparticles (Ni0.6−x Zn0.4Cox Fe2O4) (x = 0, 0.0165, 0.033, 0.264 and 0.528) have been synthesized and characterized with respect to their structural ...

Read More
MICROSTRUCTURE DEVELOPMENT IN NICKEL ZINC

2010-7-21  MICROSTRUCTURE DEVELOPMENT IN NICKEL ZINC FERRITES Okatan, Mahmut Barış ... nickel zinc ferrite ceramics at low soaking temperatures. For this purpose, ... microstructural, dielectric and magnetic properties were conducted with respect to CaF2 content of ceramics and soak duration.

Read More
Synthesis, magnetic properties and microstructure of Ni Zn ...

In the study, the Ni-Zn ferrite powder of a Ni 0.3 Zn 0.7 Fe 2 O 4 composition was synthesized by sol-gel route using metal acetates at low temperatures. Both the scanning electron microscope and X-ray diffraction analyses of various gel samples heated at different temperatures were used to identify the reaction stages where the amorphous-gel-to-crystalline phase transition occurred.

Read More
Microstructural and magnetic properties of Zn substituted ...

2019-6-26  The impact of substitution of non-magnetic Zn 2+ ions in the Ni ferrite has been analysed by Mössbauer parameters and its magnetic properties. 2 Materials and method The ferrite materials with composition Ni 1− x Zn x Fe 2 O 4 (where x = 0, 0.1,

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Synthesis, Permeability and Microstructure of the Optimal ...

2021-11-13  The ferrite which contains nickel and zinc was found to form homogenously at lower temperatures and given well controlled properties [5]. In the present paper, an extensive study on the synthesis and measurements of the initial magnetic

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Improving soft magnetic properties of Mn-Zn ferrite by ...

2017-10-20  Mn-Zn ferrites doped with different Sm 2 O 3, Gd 2 O 3, Ce 2 O 3 or Y 2 O 3 were prepared by traditional ceramic technology using industrial pre-sintered powders. A small amount of Sm 2 O 3, Gd 2 O 3, Ce 2 O 3 or Y 2 O 3 can significantly improve

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Nickel-zinc ferrite/permalloy (Ni0.5Zn0.5Fe2O4/Ni-Fe) soft ...

2016-3-2  Nickel-zinc ferrite ... are made using the electro-infiltration process as reference materials for better understanding the magnetic properties of soft magnetic ferrite/alloy ... The electro-infiltration process comprises two major steps—nanoparticle

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[PDF] Synthesis, Permeability and Microstructure of the ...

The optimum ferrite can be obtained through free-microstructural defects where such defects are always encountered in the conventional ferrites often caused by chemical inhomogeneity. In this study, Ni-Zn ferrite was synthesized and fabricated by means of a sol-gel route. Thermal gravimetric analysis (TGA) was used to study the thermal transforma-tion of the ferrite in air.

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Microstructure, XPS and magnetic analysis of Al-doped ...

X-ray diffraction, X-ray electron spectroscopy and magnetic measurement techniques were used to study the structure and magnetic properties of ferrites. The sample was prepared by the sol–gel method under the conditions of different doses of drugs, and then annealed at 900 °C to improve the microstructure of the sample. For spinel ferrite, cations on its microstructure are replaced to ...

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Rare-earth doping of nickel zinc ferrites - Journal of ...

The influence of small substitution of iron with rare-earth cations in nickel zinc ferrites has been investigated. Samples with overall composition Ni 0.50 Zn 0.51 Fe 1.96 R 0.04 O 4+δ (R = Pr, Nd, Eu, Ho, Tm, Lu) were prepared by a wet chemical route. The substitution of iron by rare-earth cations results in the formation of various rare-earth iron oxides in the bulk ferrite during sintering.

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