TY - JOUR
T1 - Microwave hydrothermal synthesis and characterization of nanosize NiCuZn ferrites
AU - Krishnaveni, T.
AU - Komarneni, S.
AU - Murthy, S. R.
N1 - Funding Information:
Received 20 July 2005; accepted 28 October 2005. The authors are very much thankful to DST-NSF and DRDO, New Delhi for their financial assistance. Address correspondence to T. Krishnaveni, Department of Physics, Osmania University, Hyderabad 500 007, India. E-mail: krishnaphysics@yahoo.co.in
Copyright:
Copyright 2006 Elsevier B.V., All rights reserved.
PY - 2006
Y1 - 2006
N2 - Ni0.5-xCuxZn0.5Fe2O4 (x = 0,4,6,8,12 mol%) nanoferrite powders were synthesized using microwave-hydrothermal (M-H) method. Nanophase ferrites with high surface area were synthesized at 160 °C after a treatment time of 1 h. The ferrite formation conditions such as pH, temperature and time were optimized. The phase identification of the prepared samples was done by X-ray diffraction, characterized by IR spectra and crystal size and morphology were determined by transmission electron microscopy (TEM). The size of the nanoferrite powders synthesized was 20-60 nm. The nanoferrite powders were conventionally sintered at a temperature of 900 °C/4 h. The variations of the sintered density, saturation magnetization and electrical resistivity as a function of copper concentration at room temperature have been investigated. Dielectric properties were measured in the frequency range of 1MHz-1.8 GHz and obtained results were understood with the help of available theories.
AB - Ni0.5-xCuxZn0.5Fe2O4 (x = 0,4,6,8,12 mol%) nanoferrite powders were synthesized using microwave-hydrothermal (M-H) method. Nanophase ferrites with high surface area were synthesized at 160 °C after a treatment time of 1 h. The ferrite formation conditions such as pH, temperature and time were optimized. The phase identification of the prepared samples was done by X-ray diffraction, characterized by IR spectra and crystal size and morphology were determined by transmission electron microscopy (TEM). The size of the nanoferrite powders synthesized was 20-60 nm. The nanoferrite powders were conventionally sintered at a temperature of 900 °C/4 h. The variations of the sintered density, saturation magnetization and electrical resistivity as a function of copper concentration at room temperature have been investigated. Dielectric properties were measured in the frequency range of 1MHz-1.8 GHz and obtained results were understood with the help of available theories.
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U2 - 10.1080/15533170500478917
DO - 10.1080/15533170500478917
M3 - Article
AN - SCOPUS:33645286188
SN - 2470-1556
VL - 36
SP - 143
EP - 148
JO - Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry
JF - Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry
IS - 1
ER -