期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 444, 期 -, 页码 371-377出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2017.08.037
关键词
Ni-Zn-Al nanoferrites; Dielectric constant; Dielectric loss; AC conductivity; DC resistivity and activation energy
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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