Magneto-optic multilayers

Samuel D. Bader

doi:10.1117/12.137561

13 August 1992 Magneto-optic multilayers

Samuel D. Bader

Proceedings Volume 1663, Optical Data Storage; (1992) https://doi.org/10.1117/12.137561
Event: Optical Data Storage Topical Meeting, 1992, San Jose, CA, United States

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.

Citation Download Citation

Samuel D. Bader "Magneto-optic multilayers", Proc. SPIE 1663, Optical Data Storage, (13 August 1992); https://doi.org/10.1117/12.137561

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