Near-surface magnetic properties and giant magnetoimpedance of Co-based amorphous ribbons

  • E. E. Shalyguina
  • , M. A. Komarova
  • , V. V. Molokanov
  • , Chong Oh Kim
  • , Cheol Gi Kim
  • , Youngwoo Rheem

Research output: Contribution to journalConference articlepeer-review

9 Scopus citations

Abstract

The study of near-surface local magnetic properties and giant magnetoimpedance (GMI) were carried out on Co68Fe4Cr4Si12B12 amorphous ribbons. The amorphous ribbon was obtained by planar flow casting in air (samples N1). The second amorphous ribbon with the same composition (samples N2) was prepared from the part of the ribbon N1 by planar flow casting in a He atmosphere. Scanning Kerr microscopy showed that the studied samples have strongly distinguishing near-surface magnetic properties and different micromagnetic structure (equilibrium distribution of the magnetization). The magnetic field dependencies of GMI ratio profile in these ribbons were discovered to be also various.

Original languageEnglish
Pages (from-to)174-176
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume258-259
DOIs
StatePublished - Mar 2003
EventSecond Moscow International Symposium on Magnetism (MISM) - Moscow, Russian Federation
Duration: 20 Jun 200124 Jun 2001

Bibliographical note

Funding Information:
This work has been partly sponsored by Korean Institute of Science and Technology Policy and Technology Evaluation and Planning and also RFFI (grant no. 01-03-32986).

Keywords

  • Amorphous ribbons
  • Kerr effect
  • Magnetization curves
  • Magnetoimpedance

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