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magnetic properties nickel nanoparticles

Structure and magnetic properties of nickel nanoparticles

2014-12-15  The nickel nanoparticles were prepared by selective leaching at different temperatures - −20, 0, 40, 60 and 80 °C.The size of prepared nickel particles is almost the same with differing temperature (about 200 nm, as illustrated in Fig. 1(a). Fig. 1(b) shows that Ni particles are composed of several crystalline grains separated by high angle grain boundaries.

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(PDF) Magnetic properties of nickel hydroxide

2010-4-29  The magnetic properties of 10 nm size Ni (OH)2 nanoparticles prepared by sol-gel method have been studied. The magnetic moments increase with decreasing temperature in a low applied field, which ...

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Synthesis and magnetic properties of nickel nanoparticles

2012-1-15  Nickel (Ni) nanoparticles with sizes of ∼35 nm were deposited on the surface of silicon nanowires (SiNWs) by electroless plating technique.The magnetic properties of Ni/SiNWs were investigated. The blocking temperature (T B) of 370 K was obtained and confirmed by field-cooled (FC) and zero-field-cooled (ZFC) plots.The M–H hysteresis loops from 5 K to 400 K

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Magnetic properties of NiO (nickel oxide) nanoparticles:

2015-10-25  The magnetic properties were investigated by DC and AC magnetization measurements. Zero-field-cooled (ZFC) and field-cooled (FC) measurements were performed in an applied magnetic field of 100 Oe on warming over the temperature range 2–300 K (Fig. 3(a)).The FC magnetization shows a continuous increase upon lowering the temperature,

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Structural and Magnetic Properties of Nickel Nanoparticles

2018-9-14  Synthesis of nanoparticles with unique properties has attracted a lot of interest of scientists and researchers these days. A key aspect of being able to manipulate the properties of the nanomaterials is the nanoscale architecture and engineering by various processing techniques. A synthetic strategy was developed to control the preparation of nickel

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Preparation and Magnetic Properties of Nickel

2007-11-20  The benign preparation of cobalt oxide nanoparticles (Co3O4-NPs) was performed using marine red algae extract (Grateloupia sparsa) as a simple, cost-effective, scalable, and one-pot hydrothermal ...

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Magnetic Properties of Nickel Ferrite Nanoparticles

Download scientific diagram Magnetic Properties of Nickel Ferrite Nanoparticles from publication: High Coercivity Induced in Nickel Ferrite Nanoparticles by Mechanical Milling

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The influence on magnetic property of nickel nanoparticles

2014-9-30  Then nickel (Ni) NPs were deposited on the surface of as-grown SiNWs arrays by the electroless plating. The magnetic properties of Ni/SiNWs were investigated. In order to probe the magnetic property of Ni/SiNWs, Ni NPs were also deposited on the surface of H-terminated Si with the same electroless plating process.

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(PDF) Magnetic Properties of Nanoparticles

2010-4-19  Abstract and Figures. We investigated the size dependent magnetic properties of Ni nanoparticles. We prepared four samples with average particle diameters of 7.0, 14.0, 16.5, and 20.0 nm. The ...

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兰州大学机构知识库(兰州大学机构库): Size and shape ...

Magnetic measurement reveals that all the Ni nanoparticles are ferromagnetic and show ferromagnetic-paramagnetic transitions at their Curie points. The saturation magnetization M-s is size-dependent, with a maximum value of 52.01 and 82.31 emu/g at

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Structural and Magnetic Properties of Nickel Nanoparticles

2018-9-14  Synthesis of nanoparticles with unique properties has attracted a lot of interest of scientists and researchers these days. A key aspect of being able to manipulate the properties of the nanomaterials is the nanoscale architecture and engineering by various processing techniques. A synthetic strategy was developed to control the preparation of nickel

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(PDF) Structural and Magnetic Properties of Nickel

2018-11-1  Nickel nanoparticles have attracted interest due to their high reactivity, operational simplicity, biocompatibility, bacterial resistance, cost-effectiveness ...

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Preparation and Magnetic Properties of Nickel

2007-11-20  The benign preparation of cobalt oxide nanoparticles (Co3O4-NPs) was performed using marine red algae extract (Grateloupia sparsa) as a simple, cost-effective, scalable, and one-pot hydrothermal ...

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(PDF) Magnetic properties of nickel ferrite

2012-1-1  The magnetic properties of nanofiber mats containing magnetite or nickel ferrite nanoparticles were found to depend on the nanoparticle diameters and the potential after-treatment, as compared ...

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Magnetic properties of nickel carbide nanoparticles with

2017-12-15  Rhombohedral nickel carbide (Ni 3 C x, x=0.7, 1.2 and 1.5) nanoparticles (∼ 110 nm) with enhanced magnetic coercivity (H C up to 1.3 kOe) at temperature below the spin-glass freezing (T f) have been demonstrated.The presence of spin-glass state, which is seen at ∼17 K, is evident by the field dependence of the freezing temperature following the de

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Magnetic properties of nickel ferrite nanoparticles

2012-12-16  A method has been proposed for the preparation of nickel ferrite nanoparticles in a system of direct sodium dodecyl sulfate micelles using ion flotation. Amorphous nickel ferrite nanoparticles with the overall composition xNiFe2O4 yFe2O3 zH2O, containing dodecyl sulfate anion impurities, have been prepared. According to transmission electron microscopy results,

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Structural, magnetic, dielectric and optical properties of

2014-11-5  The optical properties of the nickel ferrite nanoparticles were studied by UV–Visible diffuse reflectance spectra. The optical band gap ( E g ) is given by the equation (6) α E p = A ( E p - E g ) q where E p is the photon energy, A is a constant

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Nickel ferrite magnetic nanoparticles: evidence for

2022-8-5  Nickel ferrite magnetic nanoparticles have been synthesized by the co-precipitation method using stable nickel chloride and iron chloride salts with sodium hydroxide as the precipitating agent and polyethylene glycol as the capping agent. Annealing was adopted to get single-phase nickel ferrite nanoparticles and then the samples were characterized by X-ray

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Characterization and Magnetic Properties of Nickel Ferrite ...

Characterization and Magnetic Properties of Nickel Ferrite Nanoparticles Prepared by Ball Milling Technique 引用 收藏 分享 摘要 有各种各样的谷物尺寸的镍铁酸盐 nanoparicles 被综合使用它的体积部件材料的球 milling 跟随的退火的处理。

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兰州大学机构知识库(兰州大学机构库): Size and shape ...

Magnetic measurement reveals that all the Ni nanoparticles are ferromagnetic and show ferromagnetic-paramagnetic transitions at their Curie points. The saturation magnetization M-s is size-dependent, with a maximum value of 52.01 and 82.31 emu/g at

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(PDF) Structural and Magnetic Properties of Nickel

2018-11-1  Nickel nanoparticles have attracted interest due to their high reactivity, operational simplicity, biocompatibility, bacterial resistance, cost-effectiveness ...

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Magnetic properties of NiO (nickel oxide) nanoparticles:

2015-7-8  Effects of external magnetic field on the properties of nickel oxide nanoparticles were characterized by X-ray diffraction patterns, field emission scanning electron microscope images ...

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Preparation and magnetic properties of nickel

2007-12-19  Monodisperse nickel nanoparticles were also obtained by introducing surfactants. The results of magnetic characterization showed that the magnetic properties of the hcp nickel nanoparticles are quite different from those of the fee nickel nanoparticles.

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Magnetic properties of nickel carbide nanoparticles with

2017-12-15  Rhombohedral nickel carbide (Ni 3 C x, x=0.7, 1.2 and 1.5) nanoparticles (∼ 110 nm) with enhanced magnetic coercivity (H C up to 1.3 kOe) at temperature below the spin-glass freezing (T f) have been demonstrated.The presence of spin-glass state, which is seen at ∼17 K, is evident by the field dependence of the freezing temperature following the de

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Magnetic properties of nickel carbide nanoparticles with

2018-5-1  Rhombohedral nickel carbide (Ni3Cx, x=0.7, 1.2 and 1.5) nanoparticles (∼ 110 nm) with enhanced magnetic coercivity (HC up to 1.3 kOe) at temperature below the spin-glass freezing (Tf) have been demonstrated. The presence of spin-glass state, which is seen at ∼17 K, is evident by the field dependence of the freezing temperature following the de

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Nickel (Ni) Nanoparticles - Properties, Applications

Applications. The key applications of nickel nanoparticles are listed below: Anode of solid oxide fuel cells or conductive electrolytic layer of proton exchange membrane fuel cells. Automotive catalytic converters. Coatings, plastics, nanowires, nanofibers and textiles. Magnetic fluid and catalyst. Propellant and sintering additive.

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Synthesis and magnetic properties of cobalt nickel

The purpose of this work was to prepare and characterise CoxNii.x/CoNiO core-shell magnetic nanoparticles which showed magnetic exchange bias. The particles were synthesised using a variety of stabilising surfactants and nucleating seeds, via the polyol reduction method. The surfactants were used to coat nanoparticles of various diameters, to prevent agglomeration

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Properties and Applications of Magnetic

Properties. 1. Magnetic Property. The properties of magnetic nanoparticles depend on the synthesis method and chemical structure. In most cases, the magnetic nanoparticles range from 1 to 100 nm in size and can display

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Characterization and Magnetic Properties of Nickel Ferrite ...

Characterization and Magnetic Properties of Nickel Ferrite Nanoparticles Prepared by Ball Milling Technique 引用 收藏 分享 摘要 有各种各样的谷物尺寸的镍铁酸盐 nanoparicles 被综合使用它的体积部件材料的球 milling 跟随的退火的处理。

Read More
兰州大学机构知识库(兰州大学机构库): Size and shape ...

Magnetic measurement reveals that all the Ni nanoparticles are ferromagnetic and show ferromagnetic-paramagnetic transitions at their Curie points. The saturation magnetization M-s is size-dependent, with a maximum value of 52.01 and 82.31 emu/g at

Read More

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