Electrical Conductivity of Hydrogen-Bonded Polymers
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概要
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The d.c. electrical conductivity of poly-γ-benzyl-L-glutamate (PBLG), nylon 66 and calf thymus DNA has been investigated experimentally as the examples of hydrogen-bonded polymers. Energy gaps which are assumed to be the twice of the activation energy are determined by the temperature variation of conductance in the solid dry state; 2.07±0.05eV for PBLG in α-helix, 2.00±0.05eV for helical DNA, 4.92±0.05eV and 1.85±0.05eV respectively for higher and lower temperature regions of nylon 66 in α-form. The adsorption of polar or nonpolar molecules (H_2O, CH_30H, C_6H_6) has the effect of increasing the conductivity and decreasing the activation energy of conduction. These results are in disagreement with the values expected from recent theoretical investigations and spectroscopic studies of these samples. Possible conduction mechanisms for these polymers are proposed in the case of solid dry state as well as of the state adsorbing polar or nonpolar molecules.
- 社団法人日本物理学会の論文
- 1968-05-05
著者
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Miyoshi Yasuhiro
Department Of Applied Physics School Of Science And Engineering Waseda University
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Miyoshi Yasuhiro
Department Of Applied Physics Waseda University
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Saito Nobuhiko
Department Of Applied Physics School Of Science And Engineering Waseda University
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Saito Nobuhiko
Department Of Applied Physics Faculty Of Sciencc And Engineering Waseda University
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Saito Nobuhiko
Department Of Applied Physics And Science And Engineering Research Institute Waseda University
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