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• 1997

• Proceedings of the Materials Research Society of Korea Conference
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• Proceedings of the Korean Magnestics Society Conference
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• Proceedings of the Korean Magnestics Society Conference
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• Proceedings of the Korean Magnestics Society Conference
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• Proceedings of the Korean Magnestics Society Conference
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• Proceedings of the Korean Magnestics Society Conference
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• Proceedings of the Korean Ceranic Society Conference
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• 2002.10a
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• Proceedings of the Korean Vacuum Society Conference
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• pp.63-63
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• 2007

• Korean Journal of Materials Research
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• v.4 no.2
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• 1994

We have investigated how the magneto-optical and recording properties of Pt/Co modulated films vary with sample preparation conditions : sputtering at various gas pressures, sputtering with Xe instead of Ar, and etching the buffer layers, etc. The magneto-optical characteristics of Pt/Co multilayers was comparable with those of currently prevailing rare-earth transition-metal alloys(Tb-Fe-Co amorphous films). On a disk of $12{\times}[Pt10.7\;{\AA}/Co2.8{\;}{\AA}]$ multilayer enhanced with 70nm silicon nitride, we have achieved a CNR of 36dB with a reading laser(${\lambda}\;=\;780nm$) power of 2.5-4.5mW for 720KHz carrier at 1.4m/s and the enhanced kerr rotation angle of $1.23^{\circ}$ at 780nm. It is suggested that Pt/Co modulated films clearly are very promising magneto-optical materials for a commercially use.