Structural and magnetic evaluation of substituted NiZnFe2O4 particles synthesized by conventional sol–gel method

Ghasemi, Ali; Mousavinia, Mohammad

doi:10.1016/j.ceramint.2013.10.031

Cited by 117 publications

(33 citation statements)

References 36 publications

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“…are a technologically important group of materials owing to their diverse applications in high-density magnetic recording, ferrofluids technology, biomedical drug delivery, catalysis, energy storage, gas sensors, and magnetic resonance imaging (MRI) [1][2][3][4][5][6][7][8][9][10][11][12][13][14]. Within this group, Ni-Zn ferrites is a kind of very important soft magnetic material.…”

Section: Introductionmentioning

confidence: 99%

Structure and magnetic properties evolution of nickel–zinc ferrite with lanthanum substitution

Qin

et al. 2015

Journal of Magnetism and Magnetic Materials

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Section: Introductionmentioning

confidence: 99%

Structure and magnetic properties evolution of nickel–zinc ferrite with lanthanum substitution

Qin

et al. 2015

Journal of Magnetism and Magnetic Materials

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“…The desired magnetic properties of soft ferrites can be tailored by controlling the type and the amounts of different substitutes [15,16]. Until now, several studies have been carried out to make improvements on the microstructure and magnetic properties of rare earth substituted ferrites [17][18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Effect of Pr3+ substitution on the microstructure, specific surface area, magnetic properties and specific heating rate of Ni0.5Zn0.5Pr Fe2−O4 nanoparticles synthesized via sol–gel method

Yan

Gao

et al. 2015

Journal of Alloys and Compounds

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xia. (2015) Effect of Pr3+ substitution on the microstructure, specific surface area, magnetic properties and specific heating rate of Ni0.5Zn0.5PrxFe2−xO4 nanoparticles synthesized via sol-gel method. Journal of Alloys and Compounds,. Permanent WRAP URL:http://wrap.warwick.ac.uk/94091 Copyright and reuse:The Warwick Research Archive Portal (WRAP) makes this work by researchers of the University of Warwick available open access under the following conditions. Copyright © and all moral rights to the version of the paper presented here belong to the individual author(s) and/or other copyright owners. To the extent reasonable and practicable the material made available in WRAP has been checked for eligibility before being made available.Copies of full items can be used for personal research or study, educational, or not-for-profit purposes without prior permission or charge. Provided that the authors, title and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. A note on versions:The version presented here may differ from the published version or, version of record, if you wish to cite this item you are advised to consult the publisher's version. Please see the 'permanent WRAP url' above for details on accessing the published version and note that access may require a subscription. Abstract: A series of Ni-Zn ferrite nanoparticles with a nominal composition of Ni0.5Zn0.5Prx Fe2-xO4 (x=0.000 -0.100 with steps of 0.025) has been synthesized by a sol-gel method. The effect of composition and calcination temperature on the morphology, specific surface area, magnetic properties and specific heating rate has been studied. The Ni-Zn-Pr ferrites have a single spinel (NZF) phase at Pr loadings below 5 at%. A minor amount of an orthorhombic PrFeO3 phase is present in the Ni-Zn-Pr ferrites at Pr loadings above 5 at%. At a Pr loading of 10 at%, the specific surface area increases six-fold as compared to that of the non-doped Ni0.5Zn0.5Fe2O4 sample. As the Pr loading increases, the saturation magnetization, remnant magnetization and coercivity increase and reach the maximum at x = 0.05 and then decrease. The maximum values of these parameters are 67.0 emu/g, 9.7 emu/g and 87.2Oe, respectively. Under radiofrequency field (frequency: 295 kHz, intensity: 500 Oe), the highest heating rate of 1.65 K/s was observed over the sample with x = 0.025 which is 2.5 times higher than that of Ni0.5Zn0.5Fe2O4.

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“…Fourier transform infrared (FT-IR) spectra were recorded using Nicolet iS 50 FTIR spectrometer by the ATR method. The The crystallite size can be measured by the Scherrer equation which is expressed as [30]:…”

Section: Characterization Of Productmentioning

confidence: 99%

Effects of annealing temperature variation on the evolution of structural and magnetic properties of NiFe2O4 nanoparticles synthesized by starch-assisted sol–gel auto-combustion method

Yadav

Havlica

Másilko

et al. 2015

Journal of Magnetism and Magnetic Materials

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Structural and magnetic evaluation of substituted NiZnFe2O4 particles synthesized by conventional sol–gel method

Cited by 117 publications

References 36 publications

Structure and magnetic properties evolution of nickel–zinc ferrite with lanthanum substitution

Structure and magnetic properties evolution of nickel–zinc ferrite with lanthanum substitution

Effect of Pr3+ substitution on the microstructure, specific surface area, magnetic properties and specific heating rate of Ni0.5Zn0.5Pr Fe2−O4 nanoparticles synthesized via sol–gel method

Effects of annealing temperature variation on the evolution of structural and magnetic properties of NiFe2O4 nanoparticles synthesized by starch-assisted sol–gel auto-combustion method

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