Structure and Electronic Transport of Highly Conductive Langmuir-Blodgett Films of Tridecylmethylammonium-Au(dmit)_2
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概要
- 論文の詳細を見る
Electronic transport measurements are reported for Langmuir-Blodgett (LB) films of tridecylmethylammonium Au(dmit)_2 for 300-4 K. The conductivity after electrochemical oxidation is 30-50 S/cm at room temperature, increases with decreasing temperature, and begins decrease at about 200 K. The conductivity at lower temperatures is explained by two-dimensional variable range hopping (2D VRH). The thermoelectric power (S) is positive and well fitted by a linear combination of the temperature dependence of 2D VRH (S_vc∝T^<1/3>) and that of metal (S_m∝T). These results can be explained by a model in which highly conductive metallic regions are separated by thin weakly conductive regions. The UV/visible absorption spectra and the X-ray diffraction patterns indicate that a large structural change occurs accompanied by electrochemical oxidation.
- 社団法人応用物理学会の論文
- 1991-12-15
著者
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MATSUMOTO Mutsuyoshi
National Institute of Advanced Industrial Science and Technology
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Kasai Akinari
Department of Applied Physics, Faculty of Science, Science University of Tokyo
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Takenaga Mitsuru
Department of Applied Physics, Faculty of Science, Science University of Tokyo
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Nakamura Tetsuro
Department Of Electrical Engineering And Electronics Toyohashi University Of Technology
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Nakamura Toshihiko
Faculty Of Engineering Tokyo Institute Of Technology
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Nakamura Takayoshi
National Institute Of Materials And Chemical Research
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Matsumoto Mutsuyoshi
Dep. Of Materials Sci. And Engineering Fac. Of Industrial Sci. And Technol. Tokyo Univ. Of Sci.
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Matsumoto Michio
Dep. Of Materials Sci. And Engineering Fac. Of Industrial Sci. And Technol. Tokyo Univ. Of Sci.
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Kasai Akinari
Department Of Applied Physics Faculty Of Science Science University Of Tokyo
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KAWABATA Yasujiro
National Chemical Laboratory for Industry
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Miura Y
Toin Univ. Yokohama Yokohama Jpn
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Miura Yasuhiro
Department Of Materials Science Faculty Of Engineering Toin University Of Yokohama
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Takenaga Mitsuru
Department Of Applied Physics Faculty Of Science Science University Of Tokyo
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Miura Yasuhiro
Department Of Materials Science And Engineering Kyushu University
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Miura Yasuhiro
Department of Functional Chemistry, Faculty of Engineering, Toin University of Yokohama, 1614 Kurogane-cho, Aoba, Yokohama 225-8502, Japan
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Takenaga Mitsuru
Department of Applied Chemistry, Tokyo University of Science, Yamaguchi, Sanyoonoda, Yamaguchi 756-0884, Japan
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MATSUMOTO Masashige
Theoretische Physik, ETH-Honggerberg:Department of Physics, Shizuoka University
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Nakamura Takayoshi
National Chemical Laboratory for Industry
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Matsumoto Mutsuyoshi
National Chemical Laboratory for Industry
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