Structure and magnetic properties of exchange-coupled Co-CoPt nanocomposite thin films

D. H. Im, Chung Sik Yoo, Suk J. Kim, Suk-Won Hwang, I. S. Chun, C. S. Yoon, C. K. Kim

Research output: Contribution to journalArticle

Abstract

Co100-xPtx, alloy thin-films were produced to investigate structural transformation during thermal annealing and ensuing magnetic properties of the thin films. Maximum coercivity of 7000 Oe was obtained with Co61Pt39, annealed at 700°C due to precipitation of the CoPt intermetallic compound. We also observed the exchange coupling between Co and CoPt and the composite film acted as a single phase system despite consisting of Co and CoPt grains.

Original languageEnglish
Pages (from-to)1862-1865
Number of pages4
JournalPhysica Status Solidi (A) Applied Research
Volume201
Issue number8
DOIs
Publication statusPublished - 2004 Jun 1
Externally publishedYes

Fingerprint

Nanocomposite films
Magnetic properties
nanocomposites
magnetic properties
Thin films
Exchange coupling
Composite films
thin films
Coercive force
Intermetallics
coercivity
intermetallics
Annealing
annealing
composite materials
Hot Temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Structure and magnetic properties of exchange-coupled Co-CoPt nanocomposite thin films. / Im, D. H.; Yoo, Chung Sik; Kim, Suk J.; Hwang, Suk-Won; Chun, I. S.; Yoon, C. S.; Kim, C. K.

In: Physica Status Solidi (A) Applied Research, Vol. 201, No. 8, 01.06.2004, p. 1862-1865.

Research output: Contribution to journalArticle

Im, D. H. ; Yoo, Chung Sik ; Kim, Suk J. ; Hwang, Suk-Won ; Chun, I. S. ; Yoon, C. S. ; Kim, C. K. / Structure and magnetic properties of exchange-coupled Co-CoPt nanocomposite thin films. In: Physica Status Solidi (A) Applied Research. 2004 ; Vol. 201, No. 8. pp. 1862-1865.
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