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Journal of Superconductivity and Novel Magnetism

, Volume 29, Issue 11, pp 2813–2819 | Cite as

Structural, Conductivity, and Dielectric Properties of Co0.5Mg0.5La0.1Fe1.9O4 Ferrite Nanoparticles

  • Y. Köseoğlu
  • E. Şentürk
  • V. Eyüpoğlu
  • T. Şaşmaz Kuru
  • M. Hashim
  • S. S. Meena
Original Paper

Abstract

The ferrite-based Co0.5Mg0.5La0.1Fe1.9O4 nanoparticle system has been synthesized by using the chemical co-precipitation technique. XRD and SEM were used for the structural and morphological characterization of the nanoparticles. The XRD analysis of the synthesized samples confirmed the formation of the single-phase cubic spinel phase without any impurity or secondary phases, and the average crystallite size and lattice parameters were found as 11.89 nm and 8.376 nm, respectively. The cation distribution obtained is found as (Mg0.19Fe0.81)A(Mg0.31Fe1.09Co0.5La0.1)BO4 from Rietveld refinement. The dielectric properties of the sample have been investigated in the frequency range of 20 Hz to 1 MHz. The DC and AC conductivity results obtained from the experiments are explained by the Verwey and correlated barrier hopping (CBH) models, respectively. The optical band gap energy of the sample is found as 0.24 eV. The results denoted the semiconductor nature of the sample, and the sample is a good candidate for applications in high-frequency transformers used for different purposes in the electronics industry.

Keywords

Co-precipitation Dielectric constant Conductivity Ferrites Nanoparticles 

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Y. Köseoğlu
    • 1
  • E. Şentürk
    • 2
  • V. Eyüpoğlu
    • 3
  • T. Şaşmaz Kuru
    • 2
    • 4
  • M. Hashim
    • 5
  • S. S. Meena
    • 6
  1. 1.Department of Primary Education, Faculty of EducationSuleyman Demirel UniversityIspartaTurkey
  2. 2.Department of PhysicsSakarya UniversityEsentepeTurkey
  3. 3.Department of ChemistryÇankırı Karatekin UniversityUluyazı CampusTurkey
  4. 4.Vocational School of Health Services, Radiotherapy ProgrammeOkan UniversityIstanbulTurkey
  5. 5.Department of PhysicsAligarh Muslim UniversityAligarhIndia
  6. 6.Solid State Physics Division, Bhabha Atomic Research CentreMumbaiIndia

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