| Budget Amount *help |
¥23,270,000 (Direct Cost: ¥17,900,000、Indirect Cost: ¥5,370,000)
Fiscal Year 2018: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2017: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2016: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
Fiscal Year 2015: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
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| Outline of Final Research Achievements |
The increasing power consumption in data centers is a serious drawback with respect to their energy efficiency. Development of high-density magnetic recording media can be a possible solution for overcoming the energy efficiency. In this study, a new fabrication method (flat-patterning) and materials which can be applied to the flat-patterning method were investigated. FePt-based alloys and FeCo-based alloys showed an antiferromagnetic - ferromagnetic phase change, which is required for the flat-patterning method. It was revealed that the flat-patterning method can make the flat and smooth surface after irradiating ions, therefore, backfilling and polishing steps can be replaced by only the ion irradiation step.
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