Nickel ferrite
C. Key words Microwave route, nickel ferrite, ac conductivity, dielectric constant, dielectric loss.
... of nickel ferrite had been reported in our previous work ...the nickel oxalate, iron oxalate and urea were mixed in weight ratio 1:1:5 and ground well in a pestle and ...crystalline nickel ...
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Processing and Evaluation of Alumina Doped Nickel Ferrite Nano-Particles
... Alumina doped nickel ferrite nano-particles have been synthesized by the combustion route. Characterization of the products carried out using X-ray diffraction (XRD) and scanning electron microscopy (SEM). ...
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Synthesis and Characterisation of Nickel Ferrite Nanoparticles Prepared by Spray Pyrolysis Method
... the FTIR spectrum confirm spinel structure of the sample. The weak band at the tetrahedral site in the FTIR spectrum shows the mixed spinel structure of nickel ferrite nanoparticles. The magnetic ...
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Preparation and magnetic properties of nano size nickel ferrite particles using hydrothermal method
... [10]. Nickel ferrite is one of the versatile and technologically important soft ferrite materials because of its typical ferromagnetic properties, low con- ductivity and thus lower eddy current ...
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Microwave Synthesis of Nickel Ferrite: Structure, Morphology and Bonding
... prepared nickel ferrite sample matches well with 2 theta values reported in the literature (JCPDS- ...prepared nickel ferrite is monophasic with cubic spinel ...
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Structural, electrical and magnetic studies of neodymium substituted nickel ferrite nanoparticles
... increased monotonically with increment in Nd 3+ concentration. This increase can be easily explained due to substitution of large ionic radii of Nd 3+ (0.94Å) in place of smaller Fe 3+ (0.67 Å) ions. Also rare earth ions ...
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The Effects of Cu and Zn Dopants on Phase Constituents, Magnetic Properties and Microstructure of Nickel Ferrite
... synthesized nickel ferrite in samples N and NCZ which were calculated with Williamson-Hall formula (using polts in Figure 3) are equal to 62 and 36 nm respectively, representing reduction of crystallite ...
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Synthesis of nickel ferrite nanoparticles as an efficient magnetic sorbent for removal of an azo-dye: Response surface methodology and neural network modeling
... research, nickel ferrite (NiFe 2 O 4 ) nanoparticles (NFNs) are prepared through coprecipitation method, and applied for adsorption removal of a model organic pollutant, methyl orange ...
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Development of pigment for paint using nickel ferrite for EMI application
... for nickel ferrite is NiFe 2 O 4 . The chemical composition of nickel ferrite is nickel ...of nickel ferrite is 5.368 g/cm 3 . While, the molar mass of nickel ...
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The Variation of Magnetic Properties of Nickel Ferrite by Annealing
... Nickel ferrite is the most important class of spinel ferrites. Nickel ferrite has an inverse spinel structure in which the tetrahedral (A-site) are occupied by half of ferric ions and ...
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EFFECT OF ALUMINUM SUBSTITUTION IN NICKEL FERRITE NANOPARTICLES ON THERMOELECTRIC PROPERTIES
... The values of Seebeck coefficient of the aluminium substituted nickel ferrite samples are depicted in the Table 1. From Table, Seebeck coefficient decreases by increasing Al 3+ content (310 K). It is ...
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Influence of DL-Alanine Fuel Concentration on Structural and Magnetic Properties of Nickel Ferrite Nanoparticles
... The synthesized substance was grounded into a fine powder. Annealing for 2h at 500 ◦ C and 800 ◦ C respectively in air in a conventional furnace resulted in crystalline powders. Combustion was carried with two different ...
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Rheological Study of Nickel Ferrite Ferrofluid
... As it was mentioned before, the viscosity increment by increasing magnetic field is the consequence of formation and rearrangement of new structures (chain-like or drop-like str[r] ...
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Synthesis, Physicochemical and Electrochemical Properties of Nickel Ferrite Spinels Obtained by Hydrothermal Method for the Oxygen Evolution Reaction (OER)
... , are shown in Fig. 3. The diffractogram exhibited X-ray lines corresponding to the spinel phase. The XRD patterns showed cubic lattice with a space group of Fd-3m for each oxide material. No additional peaks for ...
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One Pot Multicomponent Synthesis of Tetrahydrobenzo[ b pyrans and Dihydropyrano[ c] chromenes using Magnetically Separable NiFe
... Magnetic Nickel Ferrite nanoparticles synthesised by Sol Gel (citrate gel technique) method was used as a catalyst for one pot multicomponent synthesis of tetrahydrobenzo[b]pyran and ...
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Systhesis and characterization of aluminium substituted nickel magnesium ferrite nanoparticles
... spinel ferrite are difference between magnetization of the A site and B ...spinel ferrite may change the magnetic properties or electrical properties of the spinel ferrite because the original ...
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The Structural and Magnetic Properties of NiFe2O4 Ferrite Nano- Crystalline Prepared by Sol -gel Auto –Combustion Technique
... spinel ferrite nanomaterials has attracted a great deal of attraction over the past several years due to their functional electrical and magnetic ...[4]. Nickel ferrite is one of the versatile and ...
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ROLE OF LANTHANUM SUBSTITUTION ON THE STRUCTURAL AND MAGNETIC PROPERTIES OF NANOCRYSTALLINE NICKEL FERRITES
... synthesized nickel lanthanum ferrite nanocrystals as shown in Fig: 1, shows the formation of inverse spinal cubic structure with the Fd 3m space ....Nickel ferrite usually crystallises to form ...
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Effect of Zinc doping on Structural and Magnetic Properties of NiFe 2O4 Nanoparticles
... citric acid as a fuel. The stoichiometric proportions of metal nitrates to fuel (citric acid) ratio as 1:3 were taken into separate glass beakers. The mixed solution was stirred for 15-20 minutes to dissolve completely ...
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A Facile Microwave Assisted Neat Synthesis of Bis amides Using Nano Nickel Copper Ferrite as Amicable Catalyst and Study of their Fluorescence Studies
... copper ferrite [26] was reported in the literature. In present work nano nickel copper ferrite was synthesized and characterized by X-ray Powder Diffraction (XRD) and Scanning Electron Microscope ...
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