π-electron character observed through the anisotropy in the ENDOR spectra of undoped (CH)x |
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Authors: | S. Kuroda H. Shirakawa |
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Affiliation: | Electrotechnical Laboratory, Sakuramura, Ibaraki 305, Japan;Institute of Materials Science, University of Tsukuba, Sakuramura, Ibaraki 305, Japan |
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Abstract: | Electron nuclear double resonance (ENDOR) measurements were performed on stretched films of undoped cis-rich (CH)x at 77°K. The anisotropy of the hyperfine coupling was directly observed for the first time. The anisotropy shows the π-electron character and is consistent with the assumption of the bond alternation kink in the π-electron system in undoped (CH)x. |
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