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Structural and dielectric properties of Ni-Zn ferrite nanoparticles prepared by co-precipitation method

SANTOSH S. JADHAV1,* , SAGAR. E. SHIRSATH2, B. G. TOKSHA3, D. R. SHENGULE2, K. M. JADHAV3

Affiliation

  1. D.S.M.’s Arts, Comm. & Sci. College, Jintur, Parbhani: 431 509 (M.S.) India
  2. P. G. and research Centre, Department of Physics, Vivekanand College, Aurangabad: 431 004 (M.S.) India
  3. Dept. Of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad: 431 004 (M.S.) India

Abstract

The dielectric properties of Ni1-xZnxFe2O4 ferrites (with x=0.0 to 0.7, dx=0.1) prepared by wet chemical co-precipitation method have been studied as a function of frequency, temperature and composition. The broad XRD peaks of green samples and TEM images confirm the nano dimension of prepared samples. Dispersion in the dielectric constant with frequency is observed and dielectric loss also shows decrease in its value with increasing frequency. The dielectric loss tangent was found to increase with frequency. Dielectric constant (ε′), dielectric loss (ε″) and loss tangent (tanδ) show strong temperature dependence at all frequencies. The temperature dependent results indicate that the values of ε′, ε″ and tanδ increases with increasing temperature..

Keywords

Dielectric constant, Dielectric loss, Loss tangent, Co-precipitation, Ni-Zn ferrite.

Submitted at: April 24, 2008
Accepted at: Oct. 7, 2008

Citation

SANTOSH S. JADHAV, SAGAR. E. SHIRSATH, B. G. TOKSHA, D. R. SHENGULE, K. M. JADHAV, Structural and dielectric properties of Ni-Zn ferrite nanoparticles prepared by co-precipitation method, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 10, pp. 2644-2648 (2008)