Characterization of MgO Thin Films Grown on Carbon Materials by Molecular Beam Epitaxy
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概要
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MgO thin films were grown on highly oriented pyrolytic graphite (HOPG) and (001)-oriented diamond substrates by molecular beam epitaxy. The crystal structure of MgO was characterized by reflection high-energy electron diffraction and X-ray diffraction. We found that the MgO grew as (001)- and (111)-oriented textured structures on the HOPG and diamond substrates, respectively. The MgO(001) showed a smaller misalignment of the crystal orientation on the HOPG than on amorphous CoFeB, which indicates that the MgO(001) on graphene can be useful as a tunnel barrier for efficient spin injection into semiconductors.
- 2013-07-25
著者
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Shinjo Teruya
Graduate School Of Engineering Science Osaka University
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Seki Takeshi
Graduate School Of Engineering Science Osaka University
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Suzuki Yoshishige
Graduate School Of Engineering Science Osaka University
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Miwa Shinji
Graduate School Of Engineering Science Osaka University
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Shiraishi Masashi
Graduate School Of Engineering Science Osaka Univ.
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Kobayashi Satoshi
Graduate School Of Engineering Tokyo Metropolitan University
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Bonell Frederic
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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Yoshikuni Shota
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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Mizuochi Norikazu
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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