Structural, magnetic and electrical properties of Al3+ substituted Ni–Zn ferrite nanoparticles

Hashim, Mohd.; Alimuddin, Alimuddin; Kumar, Shalendra; Ali, Sajid; Koo, Bon Heun; Chung, Hanshik; Kumar, Ravi

doi:10.1016/j.jallcom.2011.08.096

Cited by 145 publications

(32 citation statements)

References 30 publications

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“…This is because each of them has different relaxation time, resulting in separate semi-circles in the complex impedance plot [42]. The spectrum reveals relatively large grain boundary contribution to the total resistivity.…”

Section: Impedance Spectroscopymentioning

confidence: 99%

Dielectric and impedance study of polycrystalline Li0.35−0.5Cd0.3Ni Fe2.35−0.5O4 ferrites synthesized via a citrate-gel auto combustion method

Dar

Majid

Batoo

et al. 2015

Journal of Alloys and Compounds

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Section: Impedance Spectroscopymentioning

confidence: 99%

Dielectric and impedance study of polycrystalline Li0.35−0.5Cd0.3Ni Fe2.35−0.5O4 ferrites synthesized via a citrate-gel auto combustion method

Dar

Majid

Batoo

et al. 2015

Journal of Alloys and Compounds

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“…Subsequently in Fig. S6, the average crystallite size D are estimated from peak widths using the Debye-Scherrer’s formula: 24. It is significant to find the appropriate template-removing temperature because the temperature also affects the formation of NiFe 2 O 4 .…”

Section: Resultsmentioning

confidence: 99%

Lightweight NiFe2O4 with controllable 3D network structure and enhanced microwave absorbing properties

Wang

Zhu

et al. 2016

Sci Rep

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3D network structure NiFe2O4 was successfully synthesized by a templated salt precipitation method using PMMA colloid crystal as templates. The morphology, phase composition and microwave absorbing properties of as-prepared samples were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), vector network analyzer (VNA), and so on. The results revealed that the 3D network structure was configurated with smooth spherical walls composed of NiFe2O4 nanocrystals and their pore diameters being in the range of 80–250 nm. The microwave absorption properties of the 3D network structure NiFe2O4 were crucially determined by the special structure. The synergy of intrinsic magnetic loss of magnetic NiFe2O4 and the interfacial polarization enhanced by 3D network structure and the interaction of multiple mechanisms endowed the sample with the feature of strong absorption, broad bandwidth and lightweight. There is more than one valley in the reflection loss curves and the maximum reflection loss is 27.5 dB with a bandwidth of 4 GHz. Moreover, the 3D network structure NiFe2O4 show a greater reflection loss with the same thickness comparing to the ordinary NiFe2O4 nanoparticles, which could achieve the feature of lightweight of the microwave absorbing materials.

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“…The properties of Ni-Zn ferrites can be tailored by altering chemical composition, preparation methods, sintering temperature (T s ) and impurity element or levels and the reports regarding these issues are available in the literatures . Recently, many researchers reported the structural, magnetic and electrical properties of Ni-Zn ferrite and/or substituted Ni-Zn ferrites in bulk [6,12,13,[19][20][21][26][27][28] and nano forms [16,[22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Magnetic properties of Sn-substituted Ni–Zn ferrites synthesized from nano-sized powders of NiO, ZnO, Fe ₂ O ₃ , and SnO ₂

Ali¹,

Uddin²,

Khan³

et al. 2017

Chinese Phys. B

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Structural, magnetic and electrical properties of Al3+ substituted Ni–Zn ferrite nanoparticles

Cited by 145 publications

References 30 publications

Dielectric and impedance study of polycrystalline Li0.35−0.5Cd0.3Ni Fe2.35−0.5O4 ferrites synthesized via a citrate-gel auto combustion method

Dielectric and impedance study of polycrystalline Li0.35−0.5Cd0.3Ni Fe2.35−0.5O4 ferrites synthesized via a citrate-gel auto combustion method

Lightweight NiFe2O4 with controllable 3D network structure and enhanced microwave absorbing properties

Magnetic properties of Sn-substituted Ni–Zn ferrites synthesized from nano-sized powders of NiO, ZnO, Fe ₂ O ₃ , and SnO ₂

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Structural, magnetic and electrical properties of Al3+ substituted Ni–Zn ferrite nanoparticles

Cited by 145 publications

References 30 publications

Dielectric and impedance study of polycrystalline Li0.35−0.5Cd0.3Ni Fe2.35−0.5O4 ferrites synthesized via a citrate-gel auto combustion method

Dielectric and impedance study of polycrystalline Li0.35−0.5Cd0.3Ni Fe2.35−0.5O4 ferrites synthesized via a citrate-gel auto combustion method

Lightweight NiFe2O4 with controllable 3D network structure and enhanced microwave absorbing properties

Magnetic properties of Sn-substituted Ni–Zn ferrites synthesized from nano-sized powders of NiO, ZnO, Fe 2 O 3 , and SnO 2

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Product

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Magnetic properties of Sn-substituted Ni–Zn ferrites synthesized from nano-sized powders of NiO, ZnO, Fe ₂ O ₃ , and SnO ₂