Study on Reaction of Metal Oxides with Ozone

• Project/Area Number: 20750046
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Inorganic chemistry
• Research Institution: Kyoto University
• Principal Investigator: HAYASHI Naoaki Kyoto University, 大学院・人間・環境学研究科, 助教 (70346047)
• Project Period (FY): 2008 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000); Fiscal Year 2009: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
• Keywords: オゾン / 鉄ペロブスカイト / メスバウア効果 / 異常高原子価

Research Abstract

Although ozone is a strong oxidizing agent, few researches have been using it for inorganic syntheses. In this project, the oxidation method for metal oxides by ozone has been established, and CaFeO3, which needs heating under the oxygen pressure of at least 20,000 atm, has been successfully synthesized for the first time. Furthermore, by applying this method, new Fe4+-perovskites, cubic BaFeO3, and Sr1-xBaxFeO3 solid solution have been also successfully prepared.