| Budget Amount *help |
¥46,410,000 (Direct Cost: ¥35,700,000、Indirect Cost: ¥10,710,000)
Fiscal Year 2019: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2018: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2017: ¥15,730,000 (Direct Cost: ¥12,100,000、Indirect Cost: ¥3,630,000)
Fiscal Year 2016: ¥17,680,000 (Direct Cost: ¥13,600,000、Indirect Cost: ¥4,080,000)
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| Outline of Final Research Achievements |
We have begun to upgrade the experimental platform on matters in extreme environments and conditions, and have established the basis for ultrafast X-ray imaging techniques in reciprocal and real space. Optical measurements of the thermodynamic states were also realized simultaneously with the X-ray imaging. We demonstrated the generation of dynamic ultrahigh pressures up to 700 GPa and the direct observations of microscale crystal structure and mesoscale structure under the ultrahigh pressures. 1) Relations between crystal orientation and ultrafast phase transition, 2) transition pathway from elastic deformation states to plastic in superhard material, 3) mesoscale structural evolution induced by propagations of shock and rarefaction waves, 4) pattern formation accompanied with nanocrystallization and liquid-metallization under dynamic high pressures, were revealed toward the development of physics on ultrafast structural transition and pattern formation.
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