Abstract
Sputtered Fe/Si superlattices were grown to study the magnetic coupling between ferromagnetic Fe layers (30 Å thick) for Si spacer-layer thicknesses (tSi) between 10 and 40 Å. The material is ferromagnetical for tSi≤13 Å and antiferromagnetically coupled for 13 Å≤tSi≤17 Å. For tSi≥17 Å the Fe layers are uncoupled. X-ray analysis indicates that the system is well layered, but that the crystal structure remains coherent only for tSi≤17 Å. These results, along with our Mössbauer investigation, strongly suggest that the Si layer is crystalline for tSi≤17 Å, and is silicide in nature. For thicker spacers, Si becomes amorphous. We propose a model of the layering that is consistent with the known properties of Fe silicide.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:45 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 4, 2024, 12:10 p.m.) |
Indexed | 2 months ago (June 30, 2025, 7:26 a.m.) |
Issued | 32 years, 3 months ago (May 15, 1993) |
Published | 32 years, 3 months ago (May 15, 1993) |
Published Print | 32 years, 3 months ago (May 15, 1993) |
@article{Fullerton_1993, title={Magnetic decoupling in sputtered Fe/Si superlattices and multilayers}, volume={73}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.352640}, DOI={10.1063/1.352640}, number={10}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Fullerton, Eric E. and Mattson, J. E. and Lee, S. R. and Sowers, C. H. and Huang, Y. Y. and Felcher, G. and Bader, S. D. and Parker, F. T.}, year={1993}, month=may, pages={6335–6337} }