Effect of copper ion distribution on the magnetization of nanoscaled NiZn ferrite

T. T. Ahmed, I. Z. Rahman, S. A.M. Tofail

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of copper substitution on the magnetic properties of Ni (0.8-x)Zn0.2CuxFe2O4 (where, x = 0, 0.25, 0.42, 0.45, 0.5 and 0.55) calcined at 1000°C, were investigated. From XRD, a second phase, CuO had been found to exist beyond 0.42 mol fraction of Cu. High-resolution XPS in the Cu 2p3/2 region showed an unequal distribution of Cu + and Cu2 + cations in the tetrahedral and octahedral sites, which affected the dia-paramagnetic spin balance and caused the variation of overall spin and hence the magnetization.

Original languageEnglish
Pages (from-to)2250-2252
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume272-276
Issue numberIII
DOIs
Publication statusPublished - May 2004

Keywords

  • Magnetic properties
  • NiZn ferrite
  • XPS

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