| Budget Amount *help |
¥50,960,000 (Direct Cost: ¥39,200,000、Indirect Cost: ¥11,760,000)
Fiscal Year 2020: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
Fiscal Year 2019: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
Fiscal Year 2018: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
Fiscal Year 2017: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
Fiscal Year 2016: ¥10,920,000 (Direct Cost: ¥8,400,000、Indirect Cost: ¥2,520,000)
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| Outline of Final Research Achievements |
Singular structures containing imperfections and/or inhomogeneity form heterostructures with the bulk and the surface. In order to probe local luminescence dynamics in such singularities embedded in wide bandgap semiconductors (WBGSs), spatio-time-resolved cathodoluminescence (STRCL), which uses a femtosecond-laser-driven pulsed photoelectron gun instead of cw electron gun of spatially resolved cathodoluminescence (CL) equipped on scanning electron microscopy (SEM), is an attractive tool. In this work, technical advantages were offered on the spatial and temporal resolutions of our STRCL system, and then local luminescence dynamics in designed, self-formed, and accidentally formed WBGS singularity structures fabricated by other research groups within this academic area such as GaN, InGaN, AlInN, AlN, and BN were successfully characterized.
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