| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2021: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2020: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2019: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2018: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
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| Outline of Final Research Achievements |
We have clarified that the perovskite-type CaIrO3 exhibits the high mobility Dirac electron, regardless of the strong electron correlation regime nearby the Mott transition by means of quantum transport measurements. The results of quantum oscillation and theoretical calculation demonstrate the emergence of Dirac electron system with dilute carrier density and high mobility exceeding 60,000 cm2/Vs. We also found that the quantum limit is reached above around 10 T, in which the large positive magnetoresistivity with magnetoresistivity ration more than 5,500% emerges. The numerical calculation suggests that the electronic ordering due to the magnetically induced quasi-one dimensional confinement causes the electronic ordering such as the charge density wave in the quantum limit.
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