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

doi:10.1063/1.355446

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 journal › Article › peer-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 language	English
Pages (from-to)	6169-6173
Number of pages	5
Journal	Journal of Applied Physics
Volume	75
Issue number	10
DOIs	https://doi.org/10.1063/1.355446
Publication status	Published - 1994
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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AU - Mattson, J. E.

AU - Fullerton, Eric E.

AU - Kumar, Sudha

AU - Lee, S. R.

AU - Sowers, C. H.

AU - Grimsditch, M.

AU - Bader, S. D.

AU - Parker, F. T.

PY - 1994

Y1 - 1994

N2 - 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.

AB - 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.

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