| Budget Amount *help |
¥16,120,000 (Direct Cost: ¥12,400,000、Indirect Cost: ¥3,720,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2016: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
Fiscal Year 2015: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Outline of Final Research Achievements |
Deposition of metal particles (ions and neutrals) was carried out simultaneously with helium irradiation on tungsten. As a result, it was revealed that huge fibrous nanostructures were formed. It was revealed that the formation proceeded at a rate 100 to 100,000 times faster than the formation rate of ordinary fibrous nanostructures. Focusing on its initial growth, it is found that it is quite different from the usual tungsten nanostructure (fuzz) growth, which increases exponentially with the irradiation time and thickness increases in proportion to the square root of time. It is revealed that the growth of large-scale nanostructures in the plane direction always has the same direction on the millimeter scale and is consistent with the direction of plasma flow.
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