Characterization of Co1−xZnxFe2O4 nanoparticles synthesized by co-precipitation method

Vaidyanathan, G.; Sendhilnathan, S.

doi:10.1016/j.physb.2007.08.219

Cited by 119 publications

(59 citation statements)

References 40 publications

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“…The decrease in lattice constant with increase in Co content was also suggested the formation of a compositionally homogeneous solid solution. Therefore, the lattice constants (a o ) were found to be within the range of the lattice constants of ZnFe 2 O 4 and CoFe 2 O 4 [29]. The observed larger lattice parameter (8.443 Å ) for ZnFe 2 O 4 may be due to the strong inter-atomic interactions compared to Codoped ZnFe 2 O 4 [30,31].…”

Section: Xrd Analysismentioning

confidence: 71%

Microwave Assisted Synthesis and Characterization of CoxZn1−xCr0.5Fe0.5O4 Nanoparticles

Amir

Baykal

Sertkol

et al. 2014

J Inorg Organomet Polym

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Nanoparticles of Co x Zn 1-x FeCrO 4 (x = 0.0-1.0) ferrites have been synthesized by the nitrate citrate microwave assisted route. The structural and magnetic properties were investigated by means of X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, vibrating sample magnetometer. X-ray powder diffraction patterns confirm that the samples possess single phase cubic spinel structure. It was found that by increasing the amount of cobalt loading, the crystallite size increases [20-55 nm with increasing the Co content (x)]. The introduction of Cr 3? ions at octahedral B sites results in the dilution of the magnetization at the B site, which will reduce the saturation magnetization. In the opposite way, replacement of non-magnetic Zn 2? ions with ferromagnetic Co 2? ones increases the saturation magnetization of the samples further.

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Section: Xrd Analysismentioning

confidence: 71%

Microwave Assisted Synthesis and Characterization of CoxZn1−xCr0.5Fe0.5O4 Nanoparticles

Amir

Baykal

Sertkol

et al. 2014

J Inorg Organomet Polym

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“…Among spinel ferrites, Zn 2+ substituted CoFe 2 O 4 nanoparticles (Co 1-x Zn x Fe 2 O 4 ) exhibit improved properties such as excellent chemical stability, high corrosion resistivity, magnetocrystalline anisotropy, magnetostriction, and magneto-optical properties [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

“…To date, many methods have been developed to prepare Co 1-x Zn x Fe 2 O 4 nanopowders, such as the coprecipitation method [6,8,10], the standard solid-state reaction technique [7,11], the forced hydrolysis method [12], the microwavehydrothermal method [13], and the hydrothermal method [14]. However, research on the template-assisted synthesis of Co 1-x Zn x Fe 2 O 4 nanoparticles is comparatively limited.…”

Section: Introductionmentioning

confidence: 99%

Magnetic Properties of Co_0.5Zn_0.5Fe₂O₄Nanoparticles Synthesized by a Template-Assisted Hydrothermal Method

2011

Journal of Nanotechnology

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In the present paper, nickel cobalt ferrite (Co 0.5 Zn 0.5 Fe 2 O 4 ) nanoparticles were synthesized using a template-assisted hydrothermal method. Carboxymethyl cellulose was used as the templating agent for controlling the morphology of the Co 0.5 Zn 0.5 Fe 2 O 4 nanoparticles. The synthesized nanoparticles were characterized using X-ray diffraction, scanning electron microscopy, and a vibrating sample magnetometer. The results indicated that the morphology of the nanoparticles changed from granular and superparamagnetic to platelike and ferromagnetic with the addition of the template. The Co 0.5 Zn 0.5 Fe 2 O 4 nanoparticles synthesized without the template exhibited a saturation magnetization and coercivity 2.81 T and 0.2 kA·m −1 , while when the template was used, the saturation magnetization and coercivity increased to 3.13 T and 76.6 kA·m −1 as the template proportion increased to 0.3.

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“…Among spinel ferrites, Zn 2? substituted CoFe 2 O 4 nanoparticles (Co 1-x Zn x Fe 2 O 4 ) exhibit improved properties such as excellent chemical stability, high corrosion resistivity, magneto-crystalline anisotropy, magneto-striction and magneto-optical properties [6][7][8]. As Zn 2?…”

Section: Introductionmentioning

confidence: 99%

“…To date, many methods have been developed to prepare Co 1-x Zn x Fe 2 O 4 nanopowders, such as the co-precipitation method [6,8,11], the usual ceramic technique [12], the forced hydrolysis method [13], the standard solid-state reaction technique [7], the microwave-hydrothermal method [14], and the hydrothermal method [15]. The sol-gel method and hydrothermal process ensures proper distribution of the various metals ions resulting to stoichiometric and smaller particles size product, and is a lowcost technique especially suitable for mass production of the pure and doped spinel ferrites nanopowders.…”

Section: Introductionmentioning

confidence: 99%

Comparison study on magnetic property of Co0.5Zn0.5Fe2O4 powders by template-assisted sol–gel and hydrothermal methods

2011

J Mater Sci: Mater Electron

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The nickel cobalt ferrite (Co 0.5 Zn 0.5 Fe 2 O 4 ) nanopowders were synthesized by a sol-gel method and a hydrothermal method. Polyethylene glycol (PEG-4000) and carboxymethyl cellulose (CMC) were used as the templating agents for controlling the anisotropy and the microstructure of the Co 0.5 Zn 0.5 Fe 2 O 4 nanopowders. The microstructure and magnetic property of the synthesized powders were comparatively studied. The results indicated that the synthesis technique and the template had remarkable dependence on the microstructure and the magnetic property of the nanopowders. The powder synthesized by the sol-gel method without any template had a maximum saturation magnetization of 73.6 emu g -1 closing to the value of the bulk material (80 emu g -1 ), while the PEG-4000 and CMC decreased the magnetization to 54.0 and 60.9 emu g -1 . The three powders showed almost same coercivity (314-343 Oe). However, the PEG-4000 and CMC in the hydrothermal process obviously decreased and increased the coercivity respectively from 1,464 Oe to 5 Oe and 4,304 Oe but had small effect of the magnetization (55.5-59.0 emu g -1 ).

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Characterization of Co1−xZnxFe2O4 nanoparticles synthesized by co-precipitation method

Cited by 119 publications

References 40 publications

Microwave Assisted Synthesis and Characterization of CoxZn1−xCr0.5Fe0.5O4 Nanoparticles

Microwave Assisted Synthesis and Characterization of CoxZn1−xCr0.5Fe0.5O4 Nanoparticles

Magnetic Properties of Co_0.5Zn_0.5Fe₂O₄Nanoparticles Synthesized by a Template-Assisted Hydrothermal Method

Comparison study on magnetic property of Co0.5Zn0.5Fe2O4 powders by template-assisted sol–gel and hydrothermal methods

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Characterization of Co1−xZnxFe2O4 nanoparticles synthesized by co-precipitation method

Cited by 119 publications

References 40 publications

Microwave Assisted Synthesis and Characterization of CoxZn1−xCr0.5Fe0.5O4 Nanoparticles

Microwave Assisted Synthesis and Characterization of CoxZn1−xCr0.5Fe0.5O4 Nanoparticles

Magnetic Properties of Co0.5Zn0.5Fe2O4Nanoparticles Synthesized by a Template-Assisted Hydrothermal Method

Comparison study on magnetic property of Co0.5Zn0.5Fe2O4 powders by template-assisted sol–gel and hydrothermal methods

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Magnetic Properties of Co_0.5Zn_0.5Fe₂O₄Nanoparticles Synthesized by a Template-Assisted Hydrothermal Method