Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 258
... sample to sample and interpreted as being due to the presence of oxygen which pins the mobile defects . As far as the proton T1 is concerned , fairly reproducible values were obtained on samples with different ESR linewidths thereby ...
... sample to sample and interpreted as being due to the presence of oxygen which pins the mobile defects . As far as the proton T1 is concerned , fairly reproducible values were obtained on samples with different ESR linewidths thereby ...
Page 266
... samples [ 5.167 ] . These experiments support the mechanism of [ 5.7 ] that an electron - hole pair on the same chain evolves rapidly into a charged soliton - antisoliton pair . Two other mechanisms have also been proposed . Initially ...
... samples [ 5.167 ] . These experiments support the mechanism of [ 5.7 ] that an electron - hole pair on the same chain evolves rapidly into a charged soliton - antisoliton pair . Two other mechanisms have also been proposed . Initially ...
Page 271
... sample B sample C A sample D 50 100 150 200 1000 / T [ K - 1 ] Fig . 5.32 . Experimental and calcu- lated x ( T ) / x ( 300 K ) versus inverse temperature for three samples ( B , C and D [ 5.205 ] ) of AsF , -doped poly- paraphenylene ...
... sample B sample C A sample D 50 100 150 200 1000 / T [ K - 1 ] Fig . 5.32 . Experimental and calcu- lated x ( T ) / x ( 300 K ) versus inverse temperature for three samples ( B , C and D [ 5.205 ] ) of AsF , -doped poly- paraphenylene ...
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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