Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 112
... temperature due to scattering by thermal phonons . This is easy to understand for optical phonons , as their population dies out exponentially with decreasing temperature [ 2.116 ] . Including acoustic phonon scattering yields a slower ...
... temperature due to scattering by thermal phonons . This is easy to understand for optical phonons , as their population dies out exponentially with decreasing temperature [ 2.116 ] . Including acoustic phonon scattering yields a slower ...
Page 159
... temperature 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 ...
... temperature 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 ...
Page 236
... temperature dependence of M2 can be analysed in terms of the thermal expansion of the lattice constants along the crystallographic a and b axes . The calculations performed by effecting shrinkage to a and b by the same amount 8 ( which ...
... temperature dependence of M2 can be analysed in terms of the thermal expansion of the lattice constants along the crystallographic a and b axes . The calculations performed by effecting shrinkage to a and b by the same amount 8 ( which ...
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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