Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 59
... determine an unbiased estimate of λ for use in the Peierls - Hubbard Hamiltonian we first notice that the ratio between ... determined by fitting the single particle expression ( 2.47 ) for the optical gap . Since , as we shall later ...
... determine an unbiased estimate of λ for use in the Peierls - Hubbard Hamiltonian we first notice that the ratio between ... determined by fitting the single particle expression ( 2.47 ) for the optical gap . Since , as we shall later ...
Page 238
... Determination from Dipole - Dipole Interactions = It is well known that an assembly of isotropically distributed spin ... determined , a mixture of 4 % doubly 13C - enriched acetylene ( 99 % 13C ) and 96 % natural abundant acetylene was ...
... Determination from Dipole - Dipole Interactions = It is well known that an assembly of isotropically distributed spin ... determined , a mixture of 4 % doubly 13C - enriched acetylene ( 99 % 13C ) and 96 % natural abundant acetylene was ...
Page 242
... determined from these singularities are 1.45 ± 0.01 Å and 1.38 ± 0.01 Å , respectively . The angle between the C - C bond and the σ11 axis obtained by this method is .- . 43 ± 5 ° in agreement with [ 5.56 ] . The chemical shift determined ...
... determined from these singularities are 1.45 ± 0.01 Å and 1.38 ± 0.01 Å , respectively . The angle between the C - C bond and the σ11 axis obtained by this method is .- . 43 ± 5 ° in agreement with [ 5.56 ] . The chemical shift determined ...
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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