Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 256
... proton spin - lattice relaxation rate Ti 1aw - 1 / 2 over the temperature range 4.2-295 K , where w is the proton Larmor 1 1000 A 100 T1 " ' [ s ' ] 10 www DO T1 ' [ s1 ) 10 wwwwww O D Pristine trans - ( CH ) , སྶ ཝཾ 10 50 1 0.01 0.1 1 ...
... proton spin - lattice relaxation rate Ti 1aw - 1 / 2 over the temperature range 4.2-295 K , where w is the proton Larmor 1 1000 A 100 T1 " ' [ s ' ] 10 www DO T1 ' [ s1 ) 10 wwwwww O D Pristine trans - ( CH ) , སྶ ཝཾ 10 50 1 0.01 0.1 1 ...
Page 258
... proton concentrations . A similar strategy was adopted by Scott and Clarke [ 5.146 ] who measured 13C and 1H relaxation rates on 13C enriched / 1H diluted samples of trans- ( CH ) , as a function of frequency w . 1 1 - Although proton ...
... proton concentrations . A similar strategy was adopted by Scott and Clarke [ 5.146 ] who measured 13C and 1H relaxation rates on 13C enriched / 1H diluted samples of trans- ( CH ) , as a function of frequency w . 1 1 - Although proton ...
Page 260
... proton - proton dipolar interactions are modulated via thermal activation of the phenylene rings was seen to occur in Sect . 5.2.1 . The same mechanism seems to dictate the relaxation behaviour in the above experiment [ 5.151 ] . This ...
... proton - proton dipolar interactions are modulated via thermal activation of the phenylene rings was seen to occur in Sect . 5.2.1 . The same mechanism seems to dictate the relaxation behaviour in the above experiment [ 5.151 ] . This ...
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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