| Budget Amount *help |
¥17,810,000 (Direct Cost: ¥13,700,000、Indirect Cost: ¥4,110,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2019: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2018: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
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| Outline of Final Research Achievements |
In this work, we have clarified the presence of toroidal domain in the ferrotoroidic metal UNi4B through the observation of current-induced magnetization using magnetic microscopy. Specifically, we have focused on the different frequency dependence of two components (namely, the current-induced magnetization and the magnetic field coming from Ampere’s law) and then succeeded in separating each component from the mixture. In addition, we have found that the frequency dependence of current-induced magnetization shows the sample position dependence of its amplitude and sign, which indicates the presence of ferrotoroidic domain in UNi4B.
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