Thickness dependence of the magnetic properties in ultrathin Co/Ge(111) films

Jyh-Shen Tsay, H. Y. Nieh, C. S. Yang, Y. D. Yao

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The existence of a low-Curie-temperature phase for Co/Ge(111) films is proofed by performing surface magnetooptic Kerr effect measurements at 150 K. The coercive force of the films increases slowly between 7.5 and 15 monolayers, and then increases promptly at larger thicknesses. The different increasing rates of the coercive force can be explained by the different interfacial roughness that influences the pinning of the domain walls.

Original languageEnglish
JournalJournal of Magnetism and Magnetic Materials
Volume272-276
Issue numberSUPPL. 1
DOIs
Publication statusPublished - 2004 May 1

Keywords

  • Cobalt
  • Germanium
  • Magneto-optic Kerr effect
  • Ultrathin films

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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