Photo-induced antiferromagnetic interlayer coupling in Fe superlattices with iron silicide spacers (invited)

J. E. Mattson, Eric E. Fullerton, Sudha Kumar, S. R. Lee, C. H. Sowers, M. Grimsditch, S. D. Bader, F. T. Parker

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Sputtered Fe/FeSi films possessing antiferromagnetic (AF) interlayer coupling at room temperature develop ferromagnetic remanence when cooled below 100 K, but the AF coupling can be restored at low temperature by exposure to visible light of sufficient intensity (≳10 mW/mm2). We attribute these effects to charge carriers in the FeSi spacer layer, which, when thermally or photogenerated, are capable of communicating spin information between the Fe layers.

Original languageEnglish
Pages (from-to)6169-6173
Number of pages5
JournalJournal of Applied Physics
Volume75
Issue number10
DOIs
Publication statusPublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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