Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 95
... neutral soliton ( with spin up ) to the conduction band . The local densities are easily derived following the arguments of Sect . 2.3.5 : namely , < Y ; | ng | Y ; ) = { [ 1 ± 12,0l2 ] , 1 where the signs correspond to the spin ...
... neutral soliton ( with spin up ) to the conduction band . The local densities are easily derived following the arguments of Sect . 2.3.5 : namely , < Y ; | ng | Y ; ) = { [ 1 ± 12,0l2 ] , 1 where the signs correspond to the spin ...
Page 144
... neutral , resulting in an unpaired spin and paramagnetism . By doping with donors or acceptors the soliton can ... neutral ( S ° ) , positively ( S * ) and negatively charged state ( S ̄ ) ; ( b ) a polaron in the neutral ( Po ) ...
... neutral , resulting in an unpaired spin and paramagnetism . By doping with donors or acceptors the soliton can ... neutral ( S ° ) , positively ( S * ) and negatively charged state ( S ̄ ) ; ( b ) a polaron in the neutral ( Po ) ...
Page 280
... neutral and CIO -doped PT , however , show significant shift of the A and B lines towards low fields [ 5.90 ] . 13C shifts in PPS doped heavily with SO , [ 5.93 ] and TaF6 [ 5.94 ] are also very similar to its undoped state ...
... neutral and CIO -doped PT , however , show significant shift of the A and B lines towards low fields [ 5.90 ] . 13C shifts in PPS doped heavily with SO , [ 5.93 ] and TaF6 [ 5.94 ] are also very similar to its undoped state ...
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A.J. Heeger atoms Baeriswyl band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers conjugated polymers correlation Coulomb interaction coupling Cryst D.K. Campbell defects dielectric function diffusion dimerization discussed dopant dopant concentration dopant molecules doping doping levels e-e interactions effects electron correlation electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental frequency function Hamiltonian Hartree-Fock hopping Hubbard model Hückel hyperfine interactions inter-chain Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap parameters peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman resonance samples Sect shown in Fig spectra spectrum spin density structure symmetry Synth tensor theory trans trans-(CH trans-polyacetylene transition valence values Vardeny