Magnetooptic Properties of Magnetite Films

Abstract
The Faraday and longitudinal Kerr effects, respectively, were characterized for thin chemically deposited magnetite films. The Faraday rotation was determined to be 3.9×104 deg/cm and the Kerr rotation 2–3 min of arc. Magnetooptical readout of digital magnetic information was achieved on a magnetite‐coated disk.

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