| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Topological matter has attracted much attention recently and developed its research in a wide region of material science. In the present research, as focusing on flexibility of perovskite structure, the first-principles materials design based on ferroelectric transition-metal oxides has been performed. It was revealed that the polar ionic distortion breaks the inversion symmetry so that the bands are spin split due to the spin-orbit coupling, which in turn results in the spin-valley coupling. Moreover, various material properties, such as thermoelectric effect and magnetism, were carefully investigated to clarify the physical mechanism.
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