Journal of the Korean Physical Society

, Volume 70, Issue 1, pp 89–92 | Cite as

Synthesis and characterization of Co-Zn ferrite nanoparticles for application to magnetic hyperthermia

  • Hyunkyung Choi
  • Sangjoon Lee
  • Taejoon Kouh
  • Sam Jin KimEmail author
  • Chul Sung Kim
  • Eunjoo Hahn


Co-Zn ferrite nanoparticles have been investigated, aiming at a further improvement of the magnetic hyperthermia properties for bio-medical applications. We precisely tune the magnetic and the thermal properties of Co x Zn1−x Fe2O4 nanoparticles, prepared by using a high-temperature thermal-decomposition method, by chemically controlling the cation. The structure and the magnetic properties as well as the AC-heating characteristics of the synthesized Co x Zn1−x Fe2O4 were measured by using X-ray diffraction (XRD), vibrating sample magnetometer, magneTherm device and Mössbauer spectroscopy. The analysis of the XRD patterns confirmed the spinel phase, the crystalline size, and the lattice parameter. The magnetic behavior of Co-Zn ferrite was studied with M-H hysteresis curve measurements at room temperature. Also, the thermal properties were measured under an external applied field of 250 Oe at 112 kHz. In addition, we plasma-treated the samples with magnetic and thermal excellent characteristics for 30 min at room temperature. The cation distribution was investigated with Mössbauer spectroscopy and further analyzed with one sextet for the tetrahedral A site and four six-lines for the octahedral B1, B2, B3, and B4 sites.


Co-Zn ferrite Hyperthermia Nanoparticles Mössbauer spectroscopy 


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Copyright information

© The Korean Physical Society 2017

Authors and Affiliations

  • Hyunkyung Choi
    • 1
  • Sangjoon Lee
    • 1
  • Taejoon Kouh
    • 1
  • Sam Jin Kim
    • 1
    Email author
  • Chul Sung Kim
    • 1
  • Eunjoo Hahn
    • 2
  1. 1.Department of PhysicsKookmin UniversitySeoulKorea
  2. 2.Department of PhysicsSuwon UniversitySuwonKorea

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