Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 197
... nonlinear optical response for one - dimensional systems based on the theory developed for 3D and 2D systems [ 4.78 ] . As already mentioned , strong excitonic absorption lines are observed in polydiacetylenes below the single particle ...
... nonlinear optical response for one - dimensional systems based on the theory developed for 3D and 2D systems [ 4.78 ] . As already mentioned , strong excitonic absorption lines are observed in polydiacetylenes below the single particle ...
Page 213
... nonlinear susceptibilities are observed which are com- parable to or even higher than those of other organic or inorganic materials . The underlying physics of the strong nonlinear optical coefficients is not quite clear . The nonlinear ...
... nonlinear susceptibilities are observed which are com- parable to or even higher than those of other organic or inorganic materials . The underlying physics of the strong nonlinear optical coefficients is not quite clear . The nonlinear ...
Page 308
... nonlinear optical coefficients 202 nonlinear optical properties 196–197 , 202-203 nonlinear refractive index 196 nuclear magnetic resonance see NMR nuclear spin lattice relaxation 246 , 256-260 nutation spectrum 239 transient nutation ...
... nonlinear optical coefficients 202 nonlinear optical properties 196–197 , 202-203 nonlinear refractive index 196 nuclear magnetic resonance see NMR nuclear spin lattice relaxation 246 , 256-260 nutation spectrum 239 transient nutation ...
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A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charged solitons Chem chemical shift coefficient conducting polymers configuration conjugated polymers correlation Coulomb interactions coupling Cryst D.K. Campbell defects dependence dimerization discussed dopant doping doping levels e-e interactions effects electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental Fermi finite polyenes frequency function ground Hamiltonian Hartree-Fock hopping Hubbard model Hückel independent-electron inter-chain kink lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap pair parameter peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect shown in Fig soliton spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans trans-(CH trans-polyacetylene transition V₁ valence bond values Vardeny