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Synthesis, Characterization and Effects of Citric Acid and PVA on Magnetic Properties of CoFe2O4

  • M. Sivakumar
  • S. Kanagesan
  • K. Chinnaraj
  • R. Suresh Babu
  • S. Nithiyanantham
Article

Abstract

Cobalt ferrite (CoFe2O4) particles were synthesized by sol–gel method using metal nitrates, citric acid (CA) and polyvinyl alcohol (PVA). X-ray diffraction (XRD), high resolution scanning electron microscopy (HR-SEM), thermogravimetry/differential scanning calorimetry analysis and vibrating sample magnetometer were used to study the structural, thermal and magnetic properties of the CoFe2O4 powder. XRD results indicate that the resultant particles have crystalline, pure single phase spinel structure. From HR-SEM images, a systematic decrease in particle size is observed with an increase in PVA concentration, along with addition of CA. CA at various concentrations of PVA significantly enhance the magnetic properties of the materials.

Keywords

Magnetic materials Chemical synthesis Thermogravimetric analysis Magnetic properties 

Notes

Acknowledgments

The authors are thankful to the Reviewers and the Editor for their valuable comments and insightful suggestions in improving this paper.

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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • M. Sivakumar
    • 1
    • 5
  • S. Kanagesan
    • 2
  • K. Chinnaraj
    • 3
  • R. Suresh Babu
    • 4
  • S. Nithiyanantham
    • 1
  1. 1.Centre for Materials Science and Nano DevicesSRM UniversityKattankulathurIndia
  2. 2.Materials Synthesis and Characterization Laboratory (MSCL)Institute of Advanced Technology, Universiti Putra MalaysiaSerdangMalaysia
  3. 3.Department of ChemistryRajiv Gandhi College of EngineeringSriperumbudur, ChennaiIndia
  4. 4.Department of PhysicsMuthurangam Government Arts College (Autonomous)VelloreIndia
  5. 5.Department of PhysicsL.N. Government College (Autonomous)PonneriIndia

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