Coexistence of Granular-Like Component and Interlayer Coupling in Co/Ag Multilayers

Koji Honda, Hideyuki Sato, Yuji Aoki, Satoru Araki

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

One of the authors (S.A) has first reported that Co/Ag is one of rare examples in MBE-grown multilayers which show the magnetoresistance (MR) oscillations as a function of non-magnetic layer thickness, while an important contribution from a granular-like component has been pointed out recently. In order to investigate the basic mechanism of the large MR in this system, we made a precise comparison of the zero-field cooled and the field cooled curves both in the resistivity and the magnetization. A scaling relation between the extraordinary Hall resistivity and the magnetoresistance has also been investigated. Some cooperative interaction between the interlayer coupling and the granular-like component is found to be important.

Original languageEnglish
Pages (from-to)2191-2197
Number of pages7
Journaljournal of the physical society of japan
Volume64
Issue number6
DOIs
Publication statusPublished - 1995 Jun
Externally publishedYes

Keywords

  • giant magnetoresistance
  • interlayer coupling
  • multilayer
  • resistivity
  • superparamagnetic blocking

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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