Frequency dependence of electron spin-lattice relaxation rate at 5–450 MHz in pristine trans-polyacetylene --- new evidence of one dimensional diffusive motion of electron spin (neutral soliton) --- |
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| Authors: | K. Mizoguchi K. Kume H. Shirakawa |
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| Affiliation: | Department of Physics, Tokyo Metropolitan University, Setagaya-ku, Tokyo 158, Japan;Institute of Materials Science, University of Tsukuba, Sakura-mura, Ibaraki 305, JAPAN |
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| Abstract: | Electron spin-lattice relaxation rate Tl?1 has been measured at low frequencies 5–450 MHz in pristine trans-polyacetylene. Frequency dependence of Tl?1 gave dimensionality of diffusive motion of electron spins (neutral soliton). Relaxation mechanism was identified as dipolar and hyperfine origin based on an electron spin concentration dependence of Tl?1. |
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