Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 152
... dependence is weak and only proportional to T. If hopping occurs in localized tail states below the mobility edges , an exponential dependence on the temperature is expected . Sufficiently below w = 1 / to ( 3.20 ) gives a frequency ...
... dependence is weak and only proportional to T. If hopping occurs in localized tail states below the mobility edges , an exponential dependence on the temperature is expected . Sufficiently below w = 1 / to ( 3.20 ) gives a frequency ...
Page 159
... dependence . Above y≈ 0.01 the thermoelectric coefficient S is smaller than 50 μV / K at room temperature , and shows a strong temperature dependence [ 3.67 ] . The observed non - linear variation ( Fig . 3.9 ) is described by a ...
... dependence . Above y≈ 0.01 the thermoelectric coefficient S is smaller than 50 μV / K at room temperature , and shows a strong temperature dependence [ 3.67 ] . The observed non - linear variation ( Fig . 3.9 ) is described by a ...
Page 280
... dependence would then imply 1D motion of the conduction electrons [ 5.135 ] . This interpretation is supported by the observation of Korringa relationship in Br - doped ( CH ) , [ 5.143 ] . The frequency dependence of proton NMR T1 in ...
... dependence would then imply 1D motion of the conduction electrons [ 5.135 ] . This interpretation is supported by the observation of Korringa relationship in Br - doped ( CH ) , [ 5.143 ] . The frequency dependence of proton NMR T1 in ...
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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