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Conferences > ODS > 1985 > TuBB > TuBB4

Magnetic Properties of CoGdTb Thin Films for Thermo-Magnetic/Magneto-Optic Recording

D.K. Hairston and M.H. Kryder

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Abstract

Amorphous CoGd films proposed for magneto-optic recording1 lack sufficient coercivity, HC, to support sub-micron domains. Amorphous CoGdTb films having low Tb substitution and prepared by r.f. sputtering have magnetic properties similar to CoGd films2. However CoGdTb films have increased HC enabling them to support submicron domains3, 4. CoGdTb films were prepared under a variety of sputtering conditions and characterized for their thermomagnetic/magneto-optic recording application. The influence of substrate bias voltage, VBias, and argon partial pressure, PAr, used during fabrication were determined.

© 1985 Optical Society of America

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