Surface modification during long duration plasma-wall interaction and its impact on hydrogen recycling
| Project/Area Number |
19360417
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Nuclear fusion studies
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| Research Institution | Kyushu University |
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Principal Investigator |
SAKAMOTO Mizuki Kyushu University, 応用力学研究所, 准教授 (30235189)
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| Co-Investigator(Kenkyū-buntansha) |
TOKUNAGA Kazutoshi 九州大学, 応用力学研究所, 准教授 (40227583)
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| Project Period (FY) |
2007 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥19,890,000 (Direct Cost: ¥15,300,000、Indirect Cost: ¥4,590,000)
Fiscal Year 2009: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2008: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2007: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
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| Keywords | プラズマ・核融合 / 水素リサイクリング / プラズマ・壁相互作用 / 表面改質 / 水素吸蔵 / エリプソメトリー / 共堆積 / ヘリコン波プラズマ |
|---|
| Research Abstract |
A monitor of surface modification of tungsten that is an important candidate among plasma-facing materials for a fusion reactor has been succeeded using spectroscopic methods such as optical reflectivity measurement and ellipsometry. Spectroscopic measurement of plasma near surface of a sample revealed excitation states of recycling neutral hydrogen isotopes. And also deuterium absorption properties of samples with helium bubbles and a deposited layer were brought out.
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Report
(4 results)
Research Products
(37 results)
