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Ferrimagnetic garnet films for magnetooptic information storage

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2 Author(s)
J. -P. Krumme ; Philips Forschungslaboratorium Hamburg GmbH, Hamburg, Germany. ; H. Schmitt

Reversible magnetooptic memories are believed to compete favorably with magnetic bubble devices and CCD's if economic low-power light sources can be used. For optical information storage at data rates of >106bit/s and blocks of 103bit, memory materials are required exhibiting an optical recording sensitivity on the order of the photographic plate. The presented contribution outlines the recently proposed concept of a magnetooptic/photoconductive sandwich, called MOPS, and shows that certain ferrimagnetic garnet compositions can especially be adapted to such applications.

Published in:

IEEE Transactions on Magnetics  (Volume:11 ,  Issue: 5 )