Interface reaction-accelerated L10 ordering of FePt thin films

Xiaohong Li, Baoting Liu, Feng Li, Hongyu Sun, Wei Li, Cuizhuo Yang, Xiangyi Zhang

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

An accelerated L10 ordering process was observed in FePt thin films deposited directly on HF-cleaned Si substrates at low annealing temperatures as compared with those deposited on nature-oxidized Si substrates, which results from an interface reaction that forms PtSi between the FePt film and the Si substrate. The L10 ordered FePt thin films prepared after 360 °C annealing show a large coercivity of Hc = 8.9 kOe and an excellent stability against thermal annealing.
Original languageEnglish
JournalScripta Materialia
Volume57
Issue number2
Pages (from-to)77-80
Number of pages4
ISSN1359-6462
DOIs
Publication statusPublished - 2007
Externally publishedYes

Keywords

  • FePt thin film
  • Ordering
  • Interface reaction
  • Coercivity

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