Electronic Modification of C<sub>60</sub> Monolayers via Metal Substrates
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概要
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The structural and electronic modifications of C<sub>60</sub> monolayer on Cu(111) and Pt(111) have been studied by scanning tunneling microscopy. On Cu(111), controlled experiments demonstrated that the electronic structure of the C<sub>60</sub> layer changes markedly with increasing extent of interaction between the C<sub>60</sub> layer and the substrate. The most strongly interacting monolayer exhibited a metallic density of states at the Fermi energy. On Pt(111), where the interaction between the C<sub>60</sub> layer and the substrate is stronger, the annealing of the monolayer caused the decomposition of the C<sub>60</sub> layer, resulting in graphene formation instead of polymerization.
- 2011-08-25
著者
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Yamada Yoichi
Instituate for Molecular Science of Medicine
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Tsuru Tomohito
Nuclear Science And Engineering Directorate Japan Atomic Energy Agency
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Tsuru Tomohito
Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
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Sasaki Masahiro
Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan
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Sasaki Masahiro
Institute of Applied Physics and Center for Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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Yamada Shuntaro
Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan
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Nakayama Takuto
Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan
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