Submolecular-Resolution Studies on Metal-Phthalocyanines by Noncontact Atomic Force Microscopy
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概要
- 論文の詳細を見る
Copper phthalocyanine (CuPc) thin films deposited on Au (111) surfaces were investigated by noncontact atomic force microscopy (NC-AFM). Structures with a periodic modulation of the spacing between the molecular rows of CuPc multilayer films were found. Submolecular features of each individual molecule on a film were successfully imaged. The obtained contrast was interpreted by the chemical interactions between a tip and the spatial electron density distribution of chemically active molecular orbitals such as highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO). In addition, the energy dissipation in the NC-AFM imaging of monolayer films was studied on a molecular scale. The obtained high-resolution contrast in the dissipation images was discussed in connection with the random fluctuation of molecules.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2004-07-15
著者
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Yoda Tadashi
Department Of Electronic Science And Engineering Kyoto University
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Ichii Takashi
Department Of Electronic Science And Engineering Kyoto University
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KOBAYASHI Kei
International Innovation Center, Kyoto University
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Fukuma Takeshi
Department Of Electronic Science And Engineering Kyoto University
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Matsushige Kazumi
Department Of Applied Science Faculty Of Engineering Kyushu University
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Ichii Takashi
Department Of Materials Science And Engineering Kyoto University
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Yamada Hirofumi
Department of Electrical Science and Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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Yamada Hirofumi
Department of Electronic Science and Engineering, Kyoto University Katsura, Nishikyo, Kyoto 615-8510, Japan
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Yoda Tadashi
Department of Electronic Science and Engineering, Kyoto University Katsura, Nishikyo, Kyoto 615-8510, Japan
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Ichii Takashi
Department of Materials Science and Engineering, Kyoto University, Yoshida-hommachi, Sakyo-ku, Kyoto 606-8501, Japan
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Kobayashi Kei
International Innovation Center, Kyoto University Yoshida-Honmachi, Sakyo, Kyoto 606-8501, Japan
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