Multiphonon Raman scattering and gap states in cis-polyacetylene |
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| Authors: | R Tubino L Piseri G Dellepiane JL Birman U Pedretti |
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| Institution: | 1. Physics Department, City College, CUNY, New York, NY 10031, U.S.A.;2. Istituto Chimica Macromolecole, CNR, Milano, Italy;3. Istituto Chimica Industriale, Genova, Italy;4. Assoreni Polymer Research Lab., Milano, Italy |
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| Abstract: | The different features of the Raman scattering in resonance with electronic absorption band in cis and trans-polyacetylene are discussed. The strong multiphonon scattering observed in cis-polyacetylene is accounted for in terms of a localized gap state, which dominates the scattering process near the absorption edge. |
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