Giant Magnetoresistance and Oscillatory Magnetic Coupling of Evaporated and MBE-Grown Co/Ag Multilayers

Satoru Araki, Kiyomi Yasui, Yoshikazu Narumiya

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)

Abstract

Co/Ag multilayers grown by molecular beam epitaxy (MBE) exhibit giant magnetoresistance (MR). The spins of Co layers are aligned antiferromagnetically, which is the same as in Fe/Cr and Co/Cu. The MR ratio and saturation field showed oscillatory behavior as a function of Ag thickness with a period of about 16 Å. The MR ratio was obtained for [Co(6 Å)-Ag(25 Å)] x 70, 16% at room temperature and 38% at 77 K.

Original languageEnglish
Pages (from-to)2827-2830
Number of pages4
Journaljournal of the physical society of japan
Volume60
Issue number9
DOIs
Publication statusPublished - 1991 Nov
Externally publishedYes

Keywords

  • Ag
  • antiferromagnetic coupling
  • Co
  • giant magnetoresistance
  • multilayers
  • spin dependent scattering
  • transport properties

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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