Transmission Electron Microscopy and Raman-Scattering Spectroscopy Observation on the Interface Structure of Graphene Formed on Si Substrates with Various Orientations
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概要
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Graphene can be grown on three major low-index substrates of Si(111), (110), and (001) by forming a 3C-SiC thin film and by subliming Si atoms from the top few layers of the SiC film. We have investigated the structure of graphene/3C-SiC interface by cross-sectional transmission electron microscopy (XTEM) and Raman-scattering spectroscopy. While the interface layer quite similar to that on the graphene/6H-SiC(0001) face is found to exist on the 3C-SiC(111)/Si(111) substrate, no such interface structure exists on the (110)- and (001)-oriented faces.
- 2011-04-25
著者
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Suemitsu Maki
Research Institute Of Electrical Communication Tohoku University
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Fukidome Hirokazu
Research Center For Photoenergetics Of Organic Materials Osaka University
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Ito Shun
Institute For Materials Research Tohoku University
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Imaizumi Kei
Research Institute Of Electrical Communications Tohoku University
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Takahashi Ryota
Research Institute Of Electrical Communications Tohoku University
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Saito Eiji
Research Institute Of Electrical Communications Tohoku University
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Abe Shunsuke
Research Institute Of Electrical Communications Tohoku University
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Handa Hiroyuki
Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan
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Suemitsu Maki
Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan
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Jung Myung-Ho
Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan
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Saito Eiji
Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan
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Takahashi Ryota
Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan
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Abe Shunsuke
Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan
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Suemitsu Maki
Research Institute of Electrical Communication (RIEC), Tohoku University, Sendai 980-8577, Japan
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Imaizumi Kei
Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan
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Handa Hiroyuki
Research Institute of Electrical Communication (RIEC), Tohoku University, Sendai 980-8577, Japan
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