Kirkuk Journal of Science

Kirkuk Journal of Science

A study on the dielectric properties of La+3 doped nickel ferrite

Authors
Abstract
In the present work, the Ni-La ferrite chain (NiLaxFe2-xO4) with (x=0.0-‎‎ 0.2),were synthesized using sol-gel auto-combustion as a modern chemical ‎methods. Nitrates, citric acid and ammonia were used ‎in order to get ferrite nano powders at temperature of (200)oC, which characterized a higher dispersion ‎and homogeneity with particle size in the range of (20-39) nm. The dielectric properties are measured using (LCR) meter in the frequency ‎range of (50Hz –5MHz). Dielectric constant (εr'), the loss tangent ‎‎( tanδ ) and the loss factor (εr′′) are decreases with increasing frequency, while the Conductivity (σa.c) increases ‎with increasing the rare earth ion (La) concentration in Ni ‎ferrite.
Keywords

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Volume 11, Issue 1
Winter 2016
Page 304-314

Mendeley

  • Receive Date 01 March 2016
  • Revise Date 20 March 2016
  • Accept Date 25 March 2016