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Proceedings Paper

Magneto-optic multilayers
Author(s): Samuel D. Bader
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Paper Abstract

Magneto-optical multilayers are of interest to the optical data storage community as a possible second-generation medium of the future. The important Co/Pt-superlattice system is introduced in this respect, and an extensive reference listing is provided to previous research. Magneto-optical modeling studies of Co/Pt are presented, and it is concluded that the interfacial Pt is magnetized and is magneto-optically active at the short wavelengths of interest (approximately 4 eV) for applications. Magneto-optics in the ultrathin limit are discussed, and an additivity law is presented and verified experimentally utilizing data for epitaxial Fe/Ag(111) superlattices. Finally, the surface magnetic anisotropy that provides the vertical easy axes of magnetization in candidate superlattice systems is discussed and illustrated experimentally using ultrathin epitaxial films of Fe grown on a variety of substrates. It is concluded that magneto-optic multilayers will provide many stimulating basic and applied challenges in the years ahead.

Paper Details

Date Published: 13 August 1992
PDF: 11 pages
Proc. SPIE 1663, Optical Data Storage, (13 August 1992); doi: 10.1117/12.137561
Show Author Affiliations
Samuel D. Bader, Argonne National Lab. (United States)

Published in SPIE Proceedings Vol. 1663:
Optical Data Storage
Donald B. Carlin; David B. Kay; Alfred A. Franken, Editor(s)

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