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microstructure related to magnetic properties in nickel zinc ferrite

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Microstructure and magnetic properties of NiZn

2021-5-4 · Polycrystalline nickel-zinc ferrite ceramics were prepared within tens of seconds via ultrafast pulse electric current sintering without pressure. The phase composition and microstructure of the samples were characterized by X-ray diffraction and scanning electron microscopy, respectively.

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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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ELUCIDATION OF THE PARALLEL EVOLUTIONS OF

2013-8-20 · MICROSTRUCTURE AND MAGNETIC PROPERTIES AND THEIR RELATIONSHIP IN NICKEL-ZINC FERRITE By IDZA RIATI BINTI IBRAHIM December 2011 Chairman: Assoc. Prof. Mansor Hashim, PhD Faculty: Faculty of Science In this research work, parallel evolving morphology and magnetic properties in nickel zinc ferrite with composition Ni0.3Zn0.7Fe2O4 were studied. For

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[PDF] Microstructure and Magnetic Studies of Zinc

Zinc ferrite nano-particles are synthesised by advanced combustion route. The nano-sized Zn ferrite characterized by X-ray diffraction (XRD), Scanning electron micrographs (SEM) and Energy dispersive X-ray (EDX) techniques. The magnetic properties were determined by using vibrating sample magnetometer (VSM). The preparation method investigated brought about formation of moderate

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(PDF) Influence of evolving microstructure on

These are well known magnetic hysteresis changing patterns of magnetic hysteresis in nickel–zinc ferrite due characteristics arising from very high crystallinity, large grain to sintering temperature variation are now clearly understood: A size, high density and a low amount of microstructure defects particular pattern/shape, within which all

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Magnetic, electrical, and structural properties of Mg 2

2020-8-19 · To tailor the structural, electrical, and magnetic properties, substitution of non-magnetic magnesium ions into nickel zinc ferrite is adopted. Hossain et al. found that the Curie temperature increased while the magnetic moment decreased by increasing the substitution of Mg in nickel zinc ferrite [

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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 parallel evolving relationship with their dependences on sintering temperature. Sintering is an important process in ferrite

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Ferroelectric and magnetic properties of the PMN-PT

2015-5-1 · Nickel–zinc ferrite with composition Ni 0.64 Zn 0.36 Fe 2 O 4 has the spinel-type structure and belongs to soft ferrites with a high value of magnetic permeability and high resistance ρ (10 5 Ωm) . Devices obtained from this material are used for example

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Magnetic Property Study of Nickel Cerium Doped Zinc

2012-2-29 · zinc ferrite specimen (Figure 4), show the presence of a monophasic homogeneous microstructure with an average grain size 0.42 nm. Whereas, Ni-Ce doped specimens (Figure 5,6,7) show the bi-phasic microstructure, which constitutes of dark ferrite matrix grains and small whitish grain at the grain junction/boundary.

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Synthesis, Permeability and Microstructure of the Optimal

2013-12-24 · Nickel-zinc ferrite (α-phase) were detected, indicating the formation of Nickel-zinc ferrite. However, the XRD patterns corresponding to iron oxide Fe2O3 (β-phase) were also detected. The ferrite was a solid solution of Ni and Zn metals containing ferric Fe3+ as the main element. Thus, the appearance of the secondary phase Fe2O3

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(PDF) Influence of evolving microstructure on

Microstructure-related analysis Fig. 1. Transmission electron microscopy image of as-milled raw powder. Nickel zinc ferrite Hematite Zinc ferrite Nickel oxide Zinc oxide Intensity sintered at: 900C 800C 700C 600C before sintering 20 30 40 50 60 70 80 2 Theta (degree) microstructure and magnetic properties of low Nd content Fe90Nd5B3.5M1

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Microstructural and magnetic properties of Zn

Energy dispersive X-ray spectroscopy studies showed the purity of ferrite samples. The effect of Zn substitution on the magnetic properties of these ferrites is also reported here. Magnetic studies revealed that the saturation magnetisation for these ferrite powders increases up to x = 0.3 (38.73 emu/g) and then decreases. Mössbauer

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Ferroelectric and magnetic properties of the PMN-PT

2015-5-1 · Nickel–zinc ferrite with composition Ni 0.64 Zn 0.36 Fe 2 O 4 has the spinel-type structure and belongs to soft ferrites with a high value of magnetic permeability and high resistance ρ (10 5 Ωm) . Devices obtained from this material are used for example

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Improving soft magnetic properties of Mn-Zn ferrite

2017-10-20 · The effects of RE 2 O 3 (RE=Sm, Gd, Ce and Y) doping on the microstructure and magnetic properties of Mn-Zn ferrite have been investigated. The single spinel phase structure can be maintained with the doping amounts up to 0.07 wt.%. A refined grain structure and uniform grain size distribution can be obtained in the optimally doped materials.

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Synthesis of nickel zinc ferrite nanoparticle/organic

Because of high electrical resistivity and good magnetic properties, nickel zinc ferrite has attractive applications in microwave devices. Reference Snelling 7 Magnetic properties of nickel zinc ferrite are known to depend upon the Ni/Zn ratios. Nickel zinc ferrite exhibits the highest saturation magnetization at Ni 0.5 Zn 0.5 Fe 2 O 4 composition.

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Microstructural and magnetic properties of Zn

2019-6-26 · This work reports the synthesis of Ni1−x Zn x Fe2O4 ferrite (where x = 0, 0.1, 0.3, and 0.5) by a facile solution combustion method, using oxalyl-dihydrazide as a fuel. Owing to stoichiometric mixing of the starting materials and dissipation of heat during the combustion process, nano-sized spinel ferrites have been synthesised. Fourier transform infrared spectroscopy studies were carried

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Magnetic Properties and Associated Microstructure of

Magnetic Properties and Associated Microstructure of Zinc‐Bearing Square‐Loop Ferrites Magnetic Properties and Associated Microstructure of Zinc‐Bearing Square‐Loop Ferrites PALMER, G. G.; JOHNSTON, R. W.; SCHULTZ, R. E. 1957-08-01 00:00:00 Elecl~~nicr labocotory. GenwoC Electric Cornpony, Syracuse, New York Zinc oxide was added to square-loop ferrite compositions in order to

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Structural, magnetic, and gigahertz-range

2021-5-4 · Nickel–zinc ferrite (Ni0.5Zn0.5Fe2O4) powders were prepared by the conventional solid-state route and sintered at 1100 and 1300 °C for utilization as a tile electromagnetic wave absorber.

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Synthesis of nickel–zinc ferrite nanoparticles in polyol

2006-1-11 · Nickel–zinc ferrite monodisperse nanoparticles are synthesized by forced hydrolysis in diethylenglycol. FC and ZFC susceptibility curves suggest that they present superparmagnetic behaviour with a blocking temperature between 63 and 15 K depending on the zinc content.

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Structural, dielectric and magnetic properties of nickel

2015-9-23 · Spinel ferrite is the class of oxide materials with remarkable electrical and magnetic properties, which have been investigated and applied during the last few decades. Amongst all inverse spinel ferrites, the nickel substituted cobalt ferrite has been extensively studied in view of their good chemical and thermal stability, high electrical resistivity, magnetic anisotropy, high coercivity and

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Investigations on microstructure, electrical and magnetic

2021-2-17 · Investigations on microstructure, electrical and magnetic properties of Ni–Zn–Ga spinel ferrites SH HAMDY*,S M ISMAIL and A HASHHASH Reactor Physics Department, Nuclear Research Center, Egyptian Atomic Energy Authority, Cairo, Egypt *Author for correspondence ([email protected]) MS received 19 June 2020; accepted 2 September 2020 Abstract.

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Microstructure and Electromagnetic Properties of Ni-Zn-Co

2016-4-13 · 3.2. Static Magnetic Properties. In order to examine the impact of microstructure on the static magnetic properties of the spinel ferrite, we have extracted the values of the specific saturation magnetization and coercive field from the respective hysteresis loops under dc magnetic field (Table 3).

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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 consolidation and electroplating—to form a magnetic nanocomposite microstructure.

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Microstructural and magnetic properties of Zn substituted

2019-6-26 · This work reports the synthesis of Ni1−x Zn x Fe2O4 ferrite (where x = 0, 0.1, 0.3, and 0.5) by a facile solution combustion method, using oxalyl-dihydrazide as a fuel. Owing to stoichiometric mixing of the starting materials and dissipation of heat during the combustion process, nano-sized spinel ferrites have been synthesised. Fourier transform infrared spectroscopy studies were carried

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Magnetic properties of bio-synthesized zinc ferrite

2011-1-1 · OSTI.GOV Journal Article: Magnetic properties of bio-synthesized zinc ferrite nanoparticles Title: Magnetic properties of bio-synthesized zinc ferrite nanoparticles Full Record

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Magnetic Properties and Associated Microstructure of Zinc

Magnetic Properties and Associated Microstructure of Zinc‐Bearing Square‐Loop Ferrites Magnetic Properties and Associated Microstructure of Zinc‐Bearing Square‐Loop Ferrites PALMER, G. G.; JOHNSTON, R. W.; SCHULTZ, R. E. 1957-08-01 00:00:00 Elecl~~nicr labocotory. GenwoC Electric Cornpony, Syracuse, New York Zinc oxide was added to square-loop ferrite compositions in order to

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Synthesis of nickel–zinc ferrite nanoparticles in polyol

2006-1-11 · Nickel–zinc ferrite monodisperse nanoparticles are synthesized by forced hydrolysis in diethylenglycol. FC and ZFC susceptibility curves suggest that they present superparmagnetic behaviour with a blocking temperature between 63 and 15 K depending on the zinc content.

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NICKEL-ZINC FERRITES AND METHODS FOR PREPARING

In another aspect, the magnetic properties of a nickel zinc ferrite can be dependent upon, for example, the annealing temperature and/or zinc ion concentration. In one aspect, the saturation magnetization of a nickel zinc ferrite can be increased by raising the annealing temperature, for example, from about 1,100° C. to about 1,300° C.

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PAPER OPEN ACCESS Related content

2019-9-8 · Also, the dielectric and magnetic properties of these compounds were investigated [1, 2, 8-12]. It was previously demonstrated [13, 14], the small amounts ( 5 wt%) of ZrO. 2. may be used as an effective additive in the manufa. cture of some ferrite materials, which significantly influences on the microstructure and magnetic properties of ferrites.

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Effect of pH on Structural, Magnetic and FMR Properties of

2017-3-23 · Nickel ferrite is one of a group of common magnetic material that has an inverse spinel structure. The spinel ferrites involves two sublattices known as tetrahedral and octahedral which are denoted widely as A and B respectively. The magnetic properties are functions of