| Budget Amount *help |
¥26,260,000 (Direct Cost: ¥20,200,000、Indirect Cost: ¥6,060,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥19,630,000 (Direct Cost: ¥15,100,000、Indirect Cost: ¥4,530,000)
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| Outline of Final Research Achievements |
In this study, we have developed a novel time-resolved microscopy - THz-STM. We have achieved time-resolved measurement with extremely high signal to noise ratio by using a highly intense and high repetition rate THz pulse, which was generated using high power femtosecond pulse laser.
We have applied the technique to probe the ultrafast dynamics of various materials. For example, we have succeeded in measuring ultrafast carrier relaxation and ultrafast metal-insulator transition in two dimensional layered materials, and we have captured electron motion in an organic semiconductor. We have demonstrated sub-ps time resolution and atomic spatial resolution of the method from the above results.
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