Annealing effects on magneto-optical Kerr effect and magnetic anisotropy in ultrathin Co films on Pt(1 1 1)

M. T. Lin, H. Y. Her, Y. E. Wu, Ching-Song Shern, J. W. Ho, C. C. Kuo, H. L. Huang

Research output: Contribution to journalConference article

6 Citations (Scopus)

Abstract

The thermal annealing of Co/Pt(1 1 1) ultrathin films at appropriate temperatures results in a kind of Co-Pt alloy formation at the interface. This, in turn, gives rise to a large enhancement of magnetooptical Kerr response up to about 300% and an increase in perpendicular magnetic anisotropy. The highly-enhanced magnetooptical response is believed to be mainly attributed to the transfer of the strong spin-orbit coupling of the Pt into the Co caused by the hybridized electronic state at the alloying interface.

Original languageEnglish
Pages (from-to)211-213
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume209
Issue number1-3
DOIs
Publication statusPublished - 2000 Jan 1
EventProceedings of the 1999 International Symposium on Advanced Magnetic Technologies (ISAMT'99) - Taipei, Taiwan
Duration: 1999 May 241999 May 25

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Optical Kerr effect
Ultrathin films
Magnetic anisotropy
Electronic states
Kerr effects
Alloying
Orbits
Annealing
anisotropy
annealing
alloying
orbits
Temperature
augmentation
electronics
temperature
Hot Temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Annealing effects on magneto-optical Kerr effect and magnetic anisotropy in ultrathin Co films on Pt(1 1 1). / Lin, M. T.; Her, H. Y.; Wu, Y. E.; Shern, Ching-Song; Ho, J. W.; Kuo, C. C.; Huang, H. L.

In: Journal of Magnetism and Magnetic Materials, Vol. 209, No. 1-3, 01.01.2000, p. 211-213.

Research output: Contribution to journalConference article

Lin, M. T. ; Her, H. Y. ; Wu, Y. E. ; Shern, Ching-Song ; Ho, J. W. ; Kuo, C. C. ; Huang, H. L. / Annealing effects on magneto-optical Kerr effect and magnetic anisotropy in ultrathin Co films on Pt(1 1 1). In: Journal of Magnetism and Magnetic Materials. 2000 ; Vol. 209, No. 1-3. pp. 211-213.
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AU - Shern, Ching-Song

AU - Ho, J. W.

AU - Kuo, C. C.

AU - Huang, H. L.

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AB - The thermal annealing of Co/Pt(1 1 1) ultrathin films at appropriate temperatures results in a kind of Co-Pt alloy formation at the interface. This, in turn, gives rise to a large enhancement of magnetooptical Kerr response up to about 300% and an increase in perpendicular magnetic anisotropy. The highly-enhanced magnetooptical response is believed to be mainly attributed to the transfer of the strong spin-orbit coupling of the Pt into the Co caused by the hybridized electronic state at the alloying interface.

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