2017 Fiscal Year Annual Research Report
Synthesis of Novel Oxynitride With Derivate Perovskite Structure
| Project/Area Number |
16K17877
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| Research Institution | Kyoto University |
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Principal Investigator |
タッセル セドリック 京都大学, 工学研究科, 准教授 (60597798)
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| Project Period (FY) |
2016-04-01 – 2018-03-31
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| Keywords | Perovskite |
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| Outline of Annual Research Achievements |
The use of high pressure and high temperature synthesis has allowed the stabilisation of the mixed anionic compounds which cannot be obtained at ambient pressure. We have prepared LiNbO3-type structures ABO2N as well as double perovskites with the general formula A2BB'O6-xNx. The former can contain small 3d elements at the A site leading to large distortions within the material. The latter contains 3d ions and 5d ions at the B site and rare-earth elements (A3+) at the A-site. The investigation of their structure (crystal structure, symmetry and ionic ordering) and properties (magnetic) was performed and will be published in peer-reviewed journal. This project has allowed a better understanding of the feasibility and limitations of novel perovskite structures in general. The study of this approach will be continued and hopefully extended.
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