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Study of electrical, dielectric and magnetic properties of Dy-Co bi-substituted strontium hexaferrite nanoparticles

  • Zafar Iqbal
  • Majid Muneer
  • Saima FarooqEmail author
  • Zahoor Ahamd
  • Muhammad Abdul Basit
  • Muhammad Naeem AshiqEmail author
  • Ruqiya Sehrish Gohar
  • Muhammad Najam-ul-Haq
  • Muhammad Fahad Ehsan
Article
  • 60 Downloads

Abstract

Herein we report the electrical and magnetic properties of Dy-Co bi-substituted strontium hexagonal nanoferrites Sr1−xDyxFe12−yCoyO19 (Dy = 0.00–0.15, Co = 0.00–0.60) synthesized by sol–gel combustion method. The XRD analysis revealed formation of the magnetoplumbite phase of nanoferrites with average crystallite size ranging 35–50 nm. Electrical resistivity of synthesized nanoferrites lies in the range of 19×109 to 37×109 Ωcm. Beneficial from Dy-Co co-dopants, the synthesized nanoferrites exhibited very low dielectric losses (up to 0.28 at 1 MHz) together with high coercivity and magnetization (~ 188.4 KA/m and ~ 68 KA/m, respectively). Our study provides a general idea to prepare highly resistive nanoferrite magnets; which offer possibilities for designing components of magnetic recording media and conductors for various technological applications.

Notes

Acknowledgements

M. Naeem Ashiq is highly thankful to the Higher Education Commission (HEC) of Pakistan under NRPU program Project No. 20-1515/R&D/09/8049.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Zafar Iqbal
    • 1
  • Majid Muneer
    • 1
  • Saima Farooq
    • 2
    Email author
  • Zahoor Ahamd
    • 3
  • Muhammad Abdul Basit
    • 4
  • Muhammad Naeem Ashiq
    • 5
    Email author
  • Ruqiya Sehrish Gohar
    • 5
  • Muhammad Najam-ul-Haq
    • 5
  • Muhammad Fahad Ehsan
    • 6
  1. 1.Department of ChemistryGovernment College UniversityFaisalabadPakistan
  2. 2.Department of Biological Sciences and Chemistry, College of Arts and ScienceUniversity of NizwaNizwaOman
  3. 3.Department of ChemistryUniversity of Engineering and TechnologyLahorePakistan
  4. 4.Department of Material Science and EngineeringInstitute of Space TechnologyIslamabadPakistan
  5. 5.Division of Physical Chemistry, Institute of Chemical SciencesBahauddin Zakariya UniversityMultanPakistan
  6. 6.Department of Chemistry, School of Natural SciencesNational University of Science and TechnologyIslamabadPakistan

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