| Budget Amount *help |
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2020: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2019: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2018: ¥8,060,000 (Direct Cost: ¥6,200,000、Indirect Cost: ¥1,860,000)
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| Outline of Final Research Achievements |
Be-ta iron silicide semiconductors (β-FeSi2) is a new optical material that shows light-emitting and light-receiving functions in the optical communication wavelength of 1.5 um. The purpose of this research is to enhance the light-emitting intensity by control of its electronic structure due to adding a third element of Ru. As a result, we succeeded in the growth of (β-Fe1-xRux)Si2 up to x = 0.57. Then, it was found that the addition of Ru induces the desired change in electronic structure and the increases of the emission intensity at 1.5 um.
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