Superlattice Epitaxy of Vinylidene Fluoride/Trifluoroethylene Copolymer Crystals on Highly Oriented Pyrolytic Graphite(Condensed matter: structure and mechanical and thermal properties)
スポンサーリンク
概要
- 論文の詳細を見る
Vinylidene fluoride/trifluoroethylene (VDF/TrFE) copolymer crystals were grown from the dilute solution on cleaved (0001) surface of highly oriented pyrolytic graphite (HOPG). Using transmission electron microscopy, the orientational relation between the copolymer crystals and cleaved (0001) surface of HOPG is clarified, as well as the supperlattice matching. Electron diffraction (ED) patterns with 6-fold symmetry were observed for the copolymer crystals with VDF molar contents of 59, 65, and 71%. It suggests that a rectangular array of (201) plane for the high-temperature phase (HP) of the copolymer crystal faces HOPG(0001) plane, from which the molecular chains tilt by 46.7°. The ED pattern with such 6-fold symmetry is attributed to superposition of diffractions from the HP crystallites with three different orientations on HOPG. Such results suggest that epitaxial growth of HP occurred and it was frozen or stabilized even at room temperature due to epitaxial effect or interaction between copolymer molecules and substrate atoms.
- 社団法人日本物理学会の論文
- 2007-12-15
著者
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藤原 進
京工繊大院工芸
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Itoh T
Department Of Macromolecular Science And Engineering Graduate School Of Science And Technology Kyoto
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ITOH Takashi
Department of Applied Chemistry, Graduate School of Engineering, Tohoku University
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FUJIWARA Susumu
Department of Macromolecular Science and Engineering, Graduate School of Science and Technology, Kyo
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HASHIMOTO Masato
Department of Macromolecular Science and Engineering, Graduate School of Science and Technology, Kyo
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HUA Thuy-Trang
Department of Macromolecular Science and Engineering, Graduate School of Science and Technology
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伊藤 孝至
名古屋大学エコトピア科学研究所融合プロジェクト部門
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Hashimoto M
Department Of Macromolecular Science And Engineering Graduate School Of Science And Technology Kyoto
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Hashimoto M
Department Of Polymer Science And Engineering Faculty Of Textile Science Kyoto Institute Of Technolo
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Itoh T
Tokyo Inst. Technol. Yokohama Jpn
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Hashimoto Masato
Department Of Applied Physics Tokai University
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Hua Thuy-trang
Department Of Macromolecular Science And Engineering Graduate School Of Science And Technology
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伊藤 孝至
名古屋大学エコトピア科学研究所
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FUJIWARA Shigeyasu
Department of Mathematical Sciences, Ibaraki University
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Itoh T
Mitsubishi Heavy Ind. Ltd. Yokohama Jpn
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FUJIWARA Susumu
Theory and Computer Simulation Center, National Institute for Fusion Science
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伊藤 孝至
名古屋大学エコトピア研究所
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