A Mechanism of Charged Soliton Conduction in a Doped Polyacetylene Chain : Condensed Matter and Statistical Physics
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概要
- 論文の詳細を見る
In a doped polyacetylene chain array of charged solitons is pinned by the Coulomb field of dopant ions, so that it cannot make translational motion. However, the soliton lattice can have interstitial and hole dislocations. These dislocations can move and carry electric current by successive translocations with activation energies. The formation energy of dislocations in the soliton lattice and their motional activation energies are estimated using the soliton lattice solutions in the continuum versions of the PPP and SSH models. These energies are shown to decrease very rapidly with increase of the doping concentration because of the rather wide extension of charged solitons. The conductivity due to soliton dislocations is calculated and shown to explain the main trends of the doping concentration and temperature dependences of the observed conductivity.
- 理論物理学刊行会の論文
- 1987-06-25
著者
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TAKAHASHI Akira
Department of Dermatology, School of Medicine, Fukuoka University
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FUKUTOME Hideo
Department of Physics, Kyoto University
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Fukutome Hideo
Department Of Physics Faculty Of Science Kyoto University
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Takahashi Akira
Department Of Advanced Materials Science And Engineering Faculty Of Engineering Yamaguchi University
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Takahashi Akira
Department Of Physics Kyoto University
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FUKUTOME Hideo
Department of Physics, Faculty of Science, Kyoto University
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FUKUTOME Hideo
Department of Physics, Kyoto Unversity
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FUKUTOME Hideo
Deoartment of Physics, Kyoto University
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TAKAHASHI Akira
Department of Physics, Kyoto University
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