| Co-Investigator(Kenkyū-buntansha) |
好田 誠 東北大学, 工学研究科, 准教授 (00420000)
上野 和紀 東京大学, 大学院総合文化研究科, 准教授 (10396509)
小野 新平 一般財団法人電力中央研究所, その他部局等, その他 (30371298)
塚崎 敦 東北大学, 金属材料研究所, 助教 (50400396)
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| Budget Amount *help |
¥223,990,000 (Direct Cost: ¥172,300,000、Indirect Cost: ¥51,690,000)
Fiscal Year 2017: ¥13,260,000 (Direct Cost: ¥10,200,000、Indirect Cost: ¥3,060,000)
Fiscal Year 2016: ¥13,650,000 (Direct Cost: ¥10,500,000、Indirect Cost: ¥3,150,000)
Fiscal Year 2015: ¥14,950,000 (Direct Cost: ¥11,500,000、Indirect Cost: ¥3,450,000)
Fiscal Year 2014: ¥37,180,000 (Direct Cost: ¥28,600,000、Indirect Cost: ¥8,580,000)
Fiscal Year 2013: ¥144,950,000 (Direct Cost: ¥111,500,000、Indirect Cost: ¥33,450,000)
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| Outline of Final Research Achievements |
Improving a magnetic storage technique is crucial for the coming information explosion era. In particular, an efficient manipulation of magnetization is the key to further reduce energy consumption of magnetic storage devices. In this research project, we have mainly focused on improving the way of an electric-field-induced magnetization manipulation and understanding its fundamental mechanism. Various experiments have unveiled the underlying mechanism of the electric field effect on magnetism in ferromagnetic and non-magnetic metals. Using the knowledge from these experiments, we have demonstrated the efficient electric-field-induced magnetization switching and the electrical information writing in a magnetic race track memory. As well as using an electric field, we have investigated other ways for manipulating magnetization and opened up an novel application of magnetic nano-films in addition to the magnetic storage application.
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