| Budget Amount *help |
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2021: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2020: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2019: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2018: ¥10,140,000 (Direct Cost: ¥7,800,000、Indirect Cost: ¥2,340,000)
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| Outline of Final Research Achievements |
RFe2O4 is expected as a next-generation multiferroic material. We attempted to synthesize its single-crystalline film by the sputtering method. As a result, the in-plane orientation of the RFe2O4 layer on the sapphire substrate rotates 30 ° depending on the presence of the Fe3O4 buffer layer. When Fe3O4 and RFe2O4 are laminated to form a multilayer film, the in-plane orientation also depends on their stacking order. In addition, when using the YSZ single crystal substrate, we succeeded in obtaining an RFe2O4 thin film that does not have twin domains and is almost completely composed of single domains.
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