Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 103
... modes of the homogeneous system and for the dopant - induced IR - active vibrational modes , commonly referred to as the amplitude mode theory , has been proposed by Horovitz [ 2.159 ] and elaborated by a number of groups [ 2.70 , 113 ...
... modes of the homogeneous system and for the dopant - induced IR - active vibrational modes , commonly referred to as the amplitude mode theory , has been proposed by Horovitz [ 2.159 ] and elaborated by a number of groups [ 2.70 , 113 ...
Page 187
... modes into agreement with the principal Raman lines at 1470 and 1080 cm - 1 . The coupling constant was found to be 8 eV / Å , implying a Peierls gap of 1.3 eV . The measured Raman lines were utilized here to determine the unknown ...
... modes into agreement with the principal Raman lines at 1470 and 1080 cm - 1 . The coupling constant was found to be 8 eV / Å , implying a Peierls gap of 1.3 eV . The measured Raman lines were utilized here to determine the unknown ...
Page 198
... modes . These modes are associated with the centre of mass motion of the charge and are independent of the particular structure of the defect . The only information about the quasi - particle causing the IR modes is contained in M. Thus ...
... modes . These modes are associated with the centre of mass motion of the charge and are independent of the particular structure of the defect . The only information about the quasi - particle causing the IR modes is contained in M. Thus ...
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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