Magneto-Optical Recorder

W. Bas Zeper, Magneto-optical Recording Media on Co jPt Multilayers, Ph.D. dissertation. University of Twente, Enschede, the Netherlands, 1991. 

The excellent insulating and dielectric properties of BN combined with the high thermal conductivity make this material suitable for a huge variety of applications in the electronic industry [142]. BN is used as substrate for semiconductor parts, as windows in microwave apparatus, as insulator layers for MISFET semiconductors, for optical and magneto-optical recording media, and for optical disc memories. BN is often used as a boron dopant source for semiconductors. Electrochemical applications include the use as a carrier material for catalysts in fuel cells, electrodes in molten salt fuel cells, seals in batteries, and BN coated membranes in electrolysis cells for manufacture of rare earth metals [143-145]. 

Hansen, P. (1990). Magneto-optical recording materials and technology. 

Kryder, M. H. (1990). Advances in magneto-optic recording technology. 

Reim, W. Weller, D. (1988). Kerr rotation enhancement in metallic bilayer thin films for magneto-optical recording. Applied Physics Letters, 53, 2453-4. 

Gg. 99. Schernatic representation of a disc suitable for magneto-optical recording, where the magneto-optically active constituent on top of the disc consists of amorphous R-3d alloys. 

One of the basic requirements for high-density magneto-optical recording is the presence of a uniaxial anisotropy sufficiently strong to be able to compete with the shape anisotropy of the thin film. This leads to the condition > 2-nM, which must be satisfied at temperatures near room temperature. This requirement is met... 

A systematic smdy of magnetic anisotropy in Fe/rare-earth multilayers, Proc. Magneto-Optical Recording Int. Symp. 92, Tucson, AZ, USA,... 

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