| Project/Area Number |
23560787
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Physical properties of metals
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| Research Institution | Hyogo University of Teacher Education |
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Principal Investigator |
NIWASE Keisuke 兵庫教育大学, 学校教育研究科(研究院), 教授 (50198545)
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| Co-Investigator(Renkei-kenkyūsha) |
ATOU Toshiyuki 東京工業大学, 応用セラミックス研究所, 准教授 (40241567)
NAGAI Yasuyoshi 東北大学, 金属材料研究所, 教授 (10302209)
SATOU Youhei 東北大学, 多元物質科学研究所, 助教 (70455856)
TACHIBANA Masaru 横浜市立大学, 国際総合科学研究科, 教授 (80236546)
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| Project Period (FY) |
2011 – 2013
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | ダイヤモンド / 黒鉛 / 衝撃圧縮 / 照射 / アモルファス / 変換 / ラマン分光法 / 欠陥 / アモルファスダイヤモンド / 中性子照射 / 格子欠陥 |
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| Research Abstract |
Previously, we have discovered transformation from neutron-irradiated highly oriented pyrolytic graphite (HOPG) to amorphous diamond under shock compression. Here, we show the band gap energy of amorphous diamond is estimated to be 4 eV, which is similar to the value reported for the amorphous diamond synthesized from C60 fullerene by shock compression. In addition, we utilized HOPG foils irradiated with a neutron dose of about a half of the previous study, and found the transformation to the amorphous diamond. Also, we reported the synthesis of transparent graphitic tiles from carbon nanowalls by shock compression. It was suggested that the transparent tile is a mixture of amorphous diamond and superhard graphitic material.
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