Nonlinear Transport Phenomena in Highly One-Dimensional MIII(Pc)(CN)2 Chains with $\pi$–d Interaction ($\text{M} = \text{Co}$ and Fe and Pc = Phthalocyaninato)
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概要
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The charge transport properties of a partially oxidized salt composed of Co(Pc)(CN)2 units with a typical one-dimensional electronic system have been suggested to be determined by charge disproportionation. The current–voltage ($I$–$V$) characteristics show nonlinear behavior at low temperature, which is suppressed by applying pressure. The observed nonlinearity is considered to result from the electric-field-induced delocalization of carriers in the charge disproportionation state. In the isomorphous magnetic Fe(Pc)(CN)2 system, the nonlinear behavior is observed at higher temperatures, suggesting that charge disproportionation is more developed in a system with local moments. The threshold voltage of negative differential resistance decreases when an external magnetic field is applied, confirming that the localization of charge carriers is released by magnetic field application.
- 2009-10-15
著者
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Inabe Tamotsu
Division Of Chemistry Graduate School Of Science Hokkaido University
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ISHIKAWA Manabu
Division of Chemistry, Graduate School of Science, Hokkaido University
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Tajima Hiroyuki
Institute For Solid State Physics The University Of Tokyo
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Akutagawa Tomoyuki
Research Institute For Electronic Science Hokkaido University
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Nakamura Takayoshi
Research Institute For Electronic Science And Graduate School Of Environmental Earth Science Hokkaid
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Yamashita Satoshi
Division Of Epigenomics National Cancer Center Research Institute
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Matsuda Masaki
Graduate School Of Science And Technology Kumamoto University
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Hanasaki Noriaki
Department of Physics, Okayama University, Okayama 700-8530
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Akutagawa Tomoyuki
Research institute for Electronic Science, Hokkaido University, Sapporo 001-0020
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Inabe Tamotsu
Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810
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Naito Toshio
Division of Chemistry and Biology, Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan
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Naito Toshio
Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810
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Matsuda Masaki
Graduate School of Science and Technology, Kumamoto University, Kumamoto 860-8555
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Tajima Hiroyuki
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581
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Yamashita Satoshi
Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810
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Nakamura Takayoshi
Research institute for Electronic Science, Hokkaido University, Sapporo 001-0020
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Hanasaki Noriaki
Department of Physics, Faculty of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
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