Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 261
... dependence [ 5.156 ] though its interpretation is not as straightforward as that for the relaxa- tion rate T¡1 . This behaviour is shown in Fig . 5.26 for trans- ( CH ) , and trans- ( CD ) , at T = 300 K [ 5.154 ] ; filled circles ...
... dependence [ 5.156 ] though its interpretation is not as straightforward as that for the relaxa- tion rate T¡1 . This behaviour is shown in Fig . 5.26 for trans- ( CH ) , and trans- ( CD ) , at T = 300 K [ 5.154 ] ; filled circles ...
Page 262
... dependence for both ESR linewidths and NMR T1 . 1 Mizoguchi et al . [ 5.154 ] have deduced D ( T ) , in the spirit of the trapped / diffusing - spin model , by measuring the frequency dependence of the ESR linewidth for T > 200 K. The ...
... dependence for both ESR linewidths and NMR T1 . 1 Mizoguchi et al . [ 5.154 ] have deduced D ( T ) , in the spirit of the trapped / diffusing - spin model , by measuring the frequency dependence of the ESR linewidth for T > 200 K. The ...
Page 277
... dependence on temperature ; the linewidth decreases instead with increase in temperature [ 5.209 ] . Peak - to - peak linewidth of 6-12 G in K doped ( CH ) , increases to 40-60 G during annealing and the main contribution is likely to ...
... dependence on temperature ; the linewidth decreases instead with increase in temperature [ 5.209 ] . Peak - to - peak linewidth of 6-12 G in K doped ( CH ) , increases to 40-60 G during annealing and the main contribution is likely to ...
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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