2013 Fiscal Year Final Research Report
Fundamental studies on the low-cost production of high-density BN films by laser-plasma synchronous vapor deposition methods for the next-generation transparent wide bandgap semiconductor materials
| Project Area | Creation of Science of Plasma Nano-Interface Interactions |
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| Project/Area Number |
21110011
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| Research Category |
Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
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| Allocation Type | Single-year Grants |
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| Review Section |
Science and Engineering
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| Research Institution | National Institute for Materials Science |
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Principal Investigator |
KOMATSU Shojiro 独立行政法人物質・材料研究機構, 光・電子材料ユニット, グループリーダー (60183810)
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| Co-Investigator(Kenkyū-buntansha) |
KOBAYASHI Kazuaki 物質・材料研究機構, 理論計算ユニット, 主幹研究員 (00354150)
CHIKYO Toyohiro 物質・材料研究機構, ナノエレクトロニクス材料ユニット, ユニット長 (10354333)
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| Project Period (FY) |
2009-07-23 – 2014-03-31
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| Keywords | 窒化ホウ素 / 薄膜 / プラズマ / レーザー / 結晶化学 / 自己組織化 |
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| Research Abstract |
In this study, we utilized the effects caused by the interaction between plasma and nano-interface of materials. We pursued this subject from the stand point of view of materials science. The structural analyses of obtained materials by using x-ray diffraction played an important role, and which led to discoveries of new polytypes of sp3- bonded BN. In order to understand their nature in terms of inorganic chemistry, we newly introduced Komatsu diagram, in which crystallographic indices such as hexagonality, close-packing index, metastable energy, and iconicity are found to be related systematically. As to the growth mechanism of the metastable polytypic forms, we found a consistent relationship between the B-N bond lengths and preferably grown structures. This led us to find the Bond-Strength Initiative Rule in the CVD growth of metastable structures.
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[Journal Article] Photoinduced Phase Transformations in Boron Nitride : New Polytypic Forms of sp3-Bonded (6H- and 30H-)BN2010
Author(s)
S.Komatsu, K.Kobayashi, Y.Sato, D.Hirano, T.Nakamura, T.Nagata,T.Chikyo, T.Watanabe, T.Takizawa, K.Nakamura, T.Hashimoto
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Journal Title
J. Phys. Chem
Volume: C114
Pages: 13176-13186
Peer Reviewed
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[Journal Article] P-type sp3-bonded BN/n-type Si heterodiode solar cell fabricated by laser-plasma synchronous CVD method2009
Author(s)
S.Komatsu, Y.Sato, D.Hirano, T.Nakamura, K.Koga, A.Yamamoto, T.Nagata, T.Chikyo, T.Watanabe, T.Takizawa, K.Nakamura, T.Hashimoto, M.Shiratani
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Journal Title
J. Phys. D : Appl. Phys.
Volume: 42
Pages: 225107(6)
Peer Reviewed
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