| Budget Amount *help |
¥43,810,000 (Direct Cost: ¥33,700,000、Indirect Cost: ¥10,110,000)
Fiscal Year 2019: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2018: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥27,040,000 (Direct Cost: ¥20,800,000、Indirect Cost: ¥6,240,000)
Fiscal Year 2016: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
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| Outline of Final Research Achievements |
We have carried out detailed investigations in order to make outstanding progress of material science of nitrogen-rich transition-metal nitrides and related materials such as metal phosphides and metal oxynitrides and so on. Two kinds of techniques for ultra-high pressure crystal growth and synthesis have been developed depending on pressure ranges. Then, we have succeeded in preparing their single crystalline samples and high-quality polycrystalline ones. As a result, we have performed various measurement experiments using these samples, and thus obtained reliable data and settled scientific results. Finally, we have clarified their phase stability, crystal chemistry, electronic structure and various physical properties by both experimental and theoretical ways. In addition, we have also provided a guidepost for functional materials engineering of these nitrides and related materials by various chemical modifications.
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