High coercivity Co-ferrite thin films on SiO2 (1 0 0) substrate

  • Y. C. Wang
  • , J. Ding*
  • , J. B. Yi
  • , B. H. Liu
  • , T. Yu
  • , Z. X. Shen
  • *Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

13 Scopus citations

Abstract

Co-ferrite thin films were prepared by sputtering and subsequent annealing. Magnetic properties were strongly dependent on annealing temperature, annealing duration and film thickness. A coercivity as high as 9.3kOe was achieved in the Co-ferrite film with a thickness of 50nm. A small film thickness can restrict the formation of large particles. The high coercivity was associated with a nano-structure and lattice strain.

Original languageEnglish
Pages (from-to)211-215
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume282
Issue number1-3
DOIs
StatePublished - Nov 2004
Externally publishedYes
EventInternational Symposium on Advanced Magnetic Technologies - Taipei, Taiwan, Province of China
Duration: 13 Nov 200316 Nov 2003

Keywords

  • CO-ferrite
  • High coercivity
  • Thin film

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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