| Budget Amount *help |
¥25,740,000 (Direct Cost: ¥19,800,000、Indirect Cost: ¥5,940,000)
Fiscal Year 2019: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2018: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2017: ¥18,330,000 (Direct Cost: ¥14,100,000、Indirect Cost: ¥4,230,000)
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| Outline of Final Research Achievements |
In this research, we created room temperature artificial multiferroic materials by controlling a nano-space smaller than the wavelength of light, and examined a novel nonlinear optical effects. As a result, we found that by introducing artificial noncentrosymmetric nanostructures into conventional room temperature ferromagnets, ultrafast zero-bias photocurrents (spin-polarized photocurrents) were generated by the irradiation of fs laser beam. In addition, we found novel principles for light wavelength conversion and solar cell by inversion-broken spin arrangements.
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