Innovative betterment of epitaxial graphene on Si substrate that accelerates realization of graphene electronics
Project/Area Number |
25286053
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Partial Multi-year Fund |
Section | 一般 |
Research Field |
Thin film/Surface and interfacial physical properties
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Research Institution | Tohoku University |
Principal Investigator |
Suemitsu Maki 東北大学, 電気通信研究所, 教授 (00134057)
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Co-Investigator(Kenkyū-buntansha) |
FUKIDOME Hirokazu 東北大学, 電気通信研究所, 准教授 (10342841)
JIAO Sai 東北大学, 電気通信研究所, 教育研究支援者 (80710475)
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Co-Investigator(Renkei-kenkyūsha) |
NAGASAWA Hiroyuki 東北大学, 電気通信研究所, 産学官連携研究員 (60649367)
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Project Period (FY) |
2013-04-01 – 2016-03-31
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Project Status |
Completed (Fiscal Year 2015)
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Budget Amount *help |
¥18,980,000 (Direct Cost: ¥14,600,000、Indirect Cost: ¥4,380,000)
Fiscal Year 2015: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2014: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2013: ¥13,390,000 (Direct Cost: ¥10,300,000、Indirect Cost: ¥3,090,000)
|
Keywords | 3C-SiC / ヘテロエピタキシ / グラフェン / 積層欠陥 / 転位 / 表面化学反応 |
Outline of Final Research Achievements |
In order to realize high-performance devices using the "graphene on silicon (GOS)" technology in which cubic 3C-SiC film is grown on Si substrates, the crystal defects that primarily limit the grain size have been reduced. First, the structure and the formation mechanism of the planar defects in 3C-SiC were revealed. Then, the defect density was estimated, by using a Monte-Carlo simulation, as a function of the epitaxial layer thickness. The result suggested a configuration of defects to minimize the surface defect density, whose validity was confirmed experimentally by executing the 3C-SiC epitaxially on Si substrate.
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Report
(4 results)
Research Products
(78 results)
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[Journal Article] Microscopically-Tuned Band Structure of Epitaxial Graphene through Interface and Stacking Variations Using Si Substrate Microfabrication2014
Author(s)
Hirokazu Fukidome, Takayuki Ide, Yusuke Kawai, Toshihiro Shinohara, Naoka Nagamura, Koji Horiba, Masato Kotsugi, Takuo Ohkochi, Toyohiko Kinoshita, Hiroshi Kumighashira, Masaharu Oshima, Maki Suemitsu
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Journal Title
Scientific Reports
Volume: 4
Issue: 1
Pages: 5173-5173
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Observing hot carrier distribution in an n-type epitaxial graphene on a SiC substrate2014
Author(s)
T. Someya, F. Fukidome, Y. Ishida, R. Yoshida, T. Iimori, R. Yukawa, K. Akikubo, Sh. Yamamoto, S. Yamamoto, T. Yamamoto, T. Kanai, K. Funakubo, M. Suemitsu, J. Itatani, F. Komori, S. Shin, I. Matsuda
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Journal Title
Applied Physics Letters
Volume: 104
Issue: 16
DOI
Related Report
Peer Reviewed
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[Journal Article] Site selective epitaxy of graphene on Si wafers2013
Author(s)
H. Fukidome, Y. Kawai, H. Handa, H. Hibino, H. Miyashita, M. Kotsugi, T. Ohkochi, M. Jung, T. Suemitsu, T. Kinoshita, T. Otsuji, and M. Suemitsu
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Journal Title
Proceeding of the IEEE
Volume: 101
Issue: 7
Pages: 1557-1566
DOI
Related Report
Peer Reviewed
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[Presentation] Microscopic Control of structural and electronic properties of Graphene by growing on SiC thin film on a microfabricated Si substrate
Author(s)
H. Fukidome, T. Ide, Y. Kawai, M. Suemitsu, T. Ohkouchi, M. Kotsugi, T. Kinoshita, T. Shinohara, N. Nagamura, S. Toyoda, K. Horiba, M. Oshima
Organizer
Graphene Week 2013
Place of Presentation
Chemnitz, Germany
Related Report
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[Presentation] Microscopic Control of Epitaxial Graphene on SiC(111) and SiC(100) Thin Films on a Microfabricated Si(100) Substrate
Author(s)
H. Fukidome, T. Ide, M. Suemitsu, Y. Kawai, T. Ohkouchi, M. Kotsugi, T. Kinoshita, T. Shinohara, N. Nagamura, S. Toyoda, K. Horiba, M. Oshima
Organizer
AVS 60th International Symposium & Exhibition
Place of Presentation
Los Angels, USA
Related Report
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