| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Outline of Final Research Achievements |
Evolution and control factors of checkerboard nano-structure with orbital ordering accompanied by ionic diffusion in Mn-based transition-metal spinel oxides have been investigated by simultaneous observations in real- and reciprocal spaces by transmission electron microscopy. The checkerboard nano-structure in this system is suggested to be consisted under subtle balance between local and long-range strain field, resulting in collapse with large domain size after evolution. Furthermore, the presence of oxygen vacancies is found to play a key role to form the checkerboard nano-structure.
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