Size dependent magnetic properties of zinc ferrite fine particles

M. Yokoyama, E. Ohta, T. Sato, T. Komaba, T. Sato

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Abstract

We investigate the particle size dependence of magnetic properties of ZnFe2O4 fine particles. The fine particles with different particle sizes were obtained by heating the coprecipitated powder. The magnetization slowly increases with decreasing the particle size, and drastically in the particles with diameter < 30 nm. The size dependent magnetization shows maximum around ∼8 nm in diameter. The Curie temperature also increases with decreasing the particle size. Such changes in the magnetization and Curie temperature can be explained in terms of the distribution ofFe3+ ions dependent on the particle size.

Original languageEnglish
Pages (from-to)C1-521-C1-522
JournalJournal De Physique. IV : JP
Volume7
Issue number1
Publication statusPublished - 1997 Mar 1

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Yokoyama, M., Ohta, E., Sato, T., Komaba, T., & Sato, T. (1997). Size dependent magnetic properties of zinc ferrite fine particles. Journal De Physique. IV : JP, 7(1), C1-521-C1-522.