Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 224
... relaxation , on the other hand , is driven by time variations of the local field seen by the spin . There are basically two different types of spin relaxation processes , as described below . ( i ) Longitudinal ( T1 ) relaxation The ...
... relaxation , on the other hand , is driven by time variations of the local field seen by the spin . There are basically two different types of spin relaxation processes , as described below . ( i ) Longitudinal ( T1 ) relaxation The ...
Page 258
... relaxation rate . Assuming a distribution in the trapping energy ( 0–650 K ) and arguing that the nuclear relaxation via localized spins was very inefficient , they rationalized the temperature dependence of T1 and deduced Doc T2 ...
... relaxation rate . Assuming a distribution in the trapping energy ( 0–650 K ) and arguing that the nuclear relaxation via localized spins was very inefficient , they rationalized the temperature dependence of T1 and deduced Doc T2 ...
Page 260
... relaxation rates as a function of temperature or frequency are [ 5.144 , 150 ] . PPP is a system that shows only the solid - state effect ( SSE ) [ 5.138 ] implying the “ stationary " nature of the defects . Further evidence of the ...
... relaxation rates as a function of temperature or frequency are [ 5.144 , 150 ] . PPP is a system that shows only the solid - state effect ( SSE ) [ 5.138 ] implying the “ stationary " nature of the defects . Further evidence of the ...
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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