Structural and magnetic properties of CdFe2O4 thin films fabricated via sputtering method

Hirofumi Akamatsu, Yanhua Zong, Yosefu Fujiki, Kazuaki Kamiya, Koji Fujita, Shunsuke Murai, Katsuhisa Tanaka

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

CdFe2O4 thin films have been prepared by a sputtering method, and their structural and magnetic properties have been examined. As-deposited film shows magnetic transition like that of cluster-spin glass or superspin glass, and possesses large magnetization even at room temperature. The magnetic behaviors are partly attributed to crystal structure with a random distribution of cations in CdFe2 O4 nanocrystals. Annealing of the as-deposited film at 200 °C leads to an increase in magnetization while the magnetization is decreased when the film is annealed at 400 °C. The effect of annealing on the magnetic properties has been discussed in terms of the change of microstructure as well as chemical structure of the thin films.

Original languageEnglish
Pages (from-to)2796-2799
Number of pages4
JournalIEEE Transactions on Magnetics
Volume44
Issue number11 PART 2
DOIs
Publication statusPublished - Nov 1 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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