Abstract

The post-oxidation effects of reactive-ECR-sputtered Co-containing ferrite thin films are described, focusing on their morphology and their magnetic and recording properties. A combination of reactive-ECR-sputter deposition and post-oxidation with ECR oxygen plasma was proved to be the best method for preparing Co-containing ferrite thin film media with good magnetic properties, smooth surface, low medium-noise characteristics, excellent roll-off curve, and small thermal fluctuation.

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