Variable temperature electron paramagnetic resonance studies of the NiZn ferrite/SiO2nanocomposite

  • Wu K
  • Chang Y
  • Chen H
 et al. 
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Abstract

Effects of the silica content and temperature on the magnetic properties of Ni0.5Zn0.5Fe2O4/SiO2nanocomposites have been studied by electron paramagnetic resonance (EPR) technique. The peak-to-peak linewidth (ΔHPP), g factor and spin number (NS), measured at room temperature, decreased with increasing SiO2content, while the spin-spin relaxation time (T2) increased. Furthermore, these parameters (ΔHPP, g factor, NSand T2) were measured as function of temperature. The ΔHPP, g factor and NSdecreased with increasing temperature whereas the T2increased. © 2004 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • EPR
  • Nanocomposites
  • NiZn ferrite
  • Silica
  • Spin-spin relaxation time

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Authors

  • Kuo-Hui WuDepartment of Chemical and Materials Engineering, CCIT, NDU

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  • Y. C. Chang

  • H. B. Chen

  • C. C. Yang

  • D. N. Horng

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