Journal ArticleDOI
New Mg0.5CoxZn0.5-xFe2O4 nano-ferrites: Structural elucidation and electromagnetic behavior evaluation
Maria Yousaf Lodhi,Khalid Mahmood,Azhar Mahmood,Huma Malik,Muhammad Farooq Warsi,Imran Shakir,M. Asghar,Muhammad Azhar Khan +7 more
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TLDR
In this paper, cobalt substituted magnesium zinc nanocrystalline spinel ferrites having general formula Mg0.5Co 0.5−xFe2O4 were synthesized using micro-emulsion technique and characterized by various characterization techniques, such as X-ray diffraction, Fourier transform infrared spectroscopy, dielectric measurements and vibrating sample magnetometer (VSM).About:
This article is published in Current Applied Physics.The article was published on 2014-05-01. It has received 100 citations till now. The article focuses on the topics: Spinel & Coercivity.read more
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Ferrimagnetic Ni 2+ doped Mg-Zn spinel ferrite nanoparticles for high density information storage
TL;DR: In this paper, the optical band gap of the prepared samples has been calculated using Tauc plots and have been found to increase with increase in Ni2+content from 4.50 eV (x = 0.50 ) to 5.60 eV(x= 0.60 ) for all samples.
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Improvement in magnetic behaviour of cobalt doped magnesium zinc nano-ferrites via co-precipitation route
Rohit Sharma,Prashant Thakur,Manoj Kumar,Nagesh Thakur,Nainjeet Singh Negi,Pankaj Sharma,Vineet Sharma +6 more
TL;DR: In this article, an improvement of magnetic properties in Co 2 + substituted Mg Zn nano-ferrites synthesized by co-precipitation route was reported, where a phase transition from superparamagnetic to ferrimagnetic behavior for x ǫ> 0.125 has been observed.
Journal ArticleDOI
Structural, optical and dielectric properties of transition metal (MFe2O4; M = Co, Ni and Zn) nanoferrites
TL;DR: In this article, the formation of cubic spinel-type structure with space group Fd3m and the average crystallite size calculated by Scherrer's formula was found to be in 9-14nm range.
Journal ArticleDOI
Structural, spectral, dielectric and magnetic properties of Ni0.5MgxZn0.5-xFe2O4 nanosized ferrites for microwave absorption and high frequency applications
TL;DR: In this article, the average cation radius, bond lengths (A and B sites), shared (dAE, dBE) and unshared edges (dBEU) of NiMgZn nanoferrites were determined from the XRD data.
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Structural, spectral, dielectric and magnetic properties of Tb–Dy doped Li-Ni nano-ferrites synthesized via micro-emulsion route
Muhammad Junaid,Muhammad Azhar Khan,Faisal Iqbal,Ghulam Murtaza,Majid Niaz Akhtar,Mukhtar Ahmad,Imran Shakir,Muhammad Farooq Warsi +7 more
TL;DR: In this paper, Li-Ni nano-sized ferrites (Li 0.2 Ni 0.8 Tb 0.5 x Dy 0.4 x Fe 2−x O 4 where x = 0.00−0.08) were prepared by micro-emulsion technique and X-ray diffraction (XRD) patterns confirmed the single phase cubic spinel structure.
References
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Journal ArticleDOI
On the Dispersion of Resistivity and Dielectric Constant of Some Semiconductors at Audiofrequencies
TL;DR: In this paper, the ac resistivity and the apparent dielectric constant of the material show a dispersion which can be explained satisfactorily with the help of a simple model of the solid: there should be wellconducting grains separated by layers of lower conductivity.
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An overview of the structure and magnetism of spinel ferrite nanoparticles and their synthesis in microemulsions
Daliya S. Mathew,Ruey-Shin Juang +1 more
TL;DR: A short review on the various spinel ferrites in microemulsions in the recent years is given in this paper, where the focus then shifts to the use of micro-mulsions as nanoreactors for the synthesis of spinels.
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Finite size effects on the structural and magnetic properties of sol–gel synthesized NiFe2O4 powders
TL;DR: In this article, the effect of grain size on NiFe 2 O 4 nanoparticles has been studied in detail using X-ray diffraction (XRD) data and the strain graph and it was found that the specific magnetization of the nanosized NiFe O 4 powders was lower than that of the corresponding coarse-grained counterparts and decreased with a decrease in grain size.
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Characterization and magnetic properties of nanocrystalline CuFe2O4, NiFe2O4, ZnFe2O4 powders prepared by the Aloe vera extract solution
TL;DR: In this paper, the simple synthesis of MFe 2 O 4 (where M =Cu, Ni, and Zn) nanoparticles by a modified sol-gel method using high purity metal nitrates and aloe vera plant extracted solution was reported.
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Structural, spectroscopic and magnetic study of nanocrystalline Ni-Zn ferrites
TL;DR: In this paper, a series of Ni-Zn ferrites is prepared in the form of nanoparticles using a novel combustion method, which yields more effective and pure final product of nano ferrites.