| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Outline of Final Research Achievements |
As transition metal fluorides that have frustrated lattices, we have synthesized modified pyrochlores and double-perovskites and measured their physical properties. And then, we have discovered new phenomena originating on competing degrees of freedom. The modified pyrochlores have a charge degree of freedom, and they exhibits charge orderings and/or magnetic orderings of different spins. In the double-perovskites, we have observed various structural transitions, which are driven by the competition between Jahn-Teller instability of magnetic ions and lattice instability of perovskites owing to the space among constituent ions.
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