Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 31
... bond length ro is determined by the solution to dv dr - dt 2Po = 0 . dr ( 2.34 ) The length r 。 can be identified with the average bond length of polyacetylene . Note that since dt / dr is less than zero ( the hopping is a decreasing ...
... bond length ro is determined by the solution to dv dr - dt 2Po = 0 . dr ( 2.34 ) The length r 。 can be identified with the average bond length of polyacetylene . Note that since dt / dr is less than zero ( the hopping is a decreasing ...
Page 32
... bond lengths in actual finite polyenes and the hypothetical infinite polyene are alternating or not challenged ... bond lengths r1 , 1 + 1 ( about the point 1,1 + 1 = ro ) shows that the configuration of equal bond lengths represents a ...
... bond lengths in actual finite polyenes and the hypothetical infinite polyene are alternating or not challenged ... bond lengths r1 , 1 + 1 ( about the point 1,1 + 1 = ro ) shows that the configuration of equal bond lengths represents a ...
Page 73
... Bond Interpretation : Barrier to Resonance . Since the discovery of high - temperature superconductivity , there has been a resurgence of interest in valence bond theory , originally formulated by Pauling [ 2.235 ] . In the context of ...
... Bond Interpretation : Barrier to Resonance . Since the discovery of high - temperature superconductivity , there has been a resurgence of interest in valence bond theory , originally formulated by Pauling [ 2.235 ] . In the context of ...
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Common terms and phrases
A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interaction coupling Cryst D.K. Campbell decreases defects dimerization discussed dopant dopant concentration dopant molecules doping doping levels e-e interactions electron correlation electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental finite polyenes frequency function Hamiltonian Hartree-Fock hopping Hubbard model Hückel inter-chain kink Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed 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 Solid State Commun spectra spectrum spin density SSH model susceptibility symmetry Synth theoretical theory thermoelectric coefficient trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny