Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 444, Issue -, Pages 371-377Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2017.08.037
Keywords
Ni-Zn-Al nanoferrites; Dielectric constant; Dielectric loss; AC conductivity; DC resistivity and activation energy
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Nanoferrites of general formula Ni0.5Zn0.5AlxFe2xO4 (x = 0.0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.4, 1.6, 1.8 and 2.0) synthesized by sol-gel auto combustion technique can be characterized by dielectric behaviour and AC conductivity studies with the help of LCR impedance meter. This paper gives an insight on variations in dielectric constant, dielectric loss with reference to frequency, temperature and Al3+ ion substitution and also the determination of DC resistivity, activation energy and Curie temperature by two probe experimental set-up. (C) 2017 Elsevier B.V. All rights reserved.
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