Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 220
... nuclear spin susceptibility is normally several orders of magnitude smaller than the electronic susceptibility , it is ordinarily not practic- able to use static methods to determine the nuclear contribution to x . In contrast to static ...
... nuclear spin susceptibility is normally several orders of magnitude smaller than the electronic susceptibility , it is ordinarily not practic- able to use static methods to determine the nuclear contribution to x . In contrast to static ...
Page 229
... nuclear spin ( @ ) transitions along with the relaxation rates W14 , W23 for the forbidden transitions are indicated and two allowed nuclear spin transitions at @ n = A. / 21 . ( 5.1.41 ) The line splitting is the same for both ...
... nuclear spin ( @ ) transitions along with the relaxation rates W14 , W23 for the forbidden transitions are indicated and two allowed nuclear spin transitions at @ n = A. / 21 . ( 5.1.41 ) The line splitting is the same for both ...
Page 230
... nuclear transition . Saturation of the electron spin transitions ( 13 and 2 → 4 ) leads , in combination with a flip - flop relaxation process ( W23 , W32 ) , to a nuclear spin polarization which can be as large as ye / n if no ...
... nuclear transition . Saturation of the electron spin transitions ( 13 and 2 → 4 ) leads , in combination with a flip - flop relaxation process ( W23 , W32 ) , to a nuclear spin polarization which can be as large as ye / n if no ...
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A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charged solitons Chem chemical shift coefficient conducting polymers configuration conjugated polymers correlation Coulomb interactions coupling Cryst D.K. Campbell defects dependence dimerization discussed dopant doping doping levels e-e interactions effects electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental Fermi finite polyenes frequency function ground Hamiltonian Hartree-Fock hopping Hubbard model Hückel independent-electron inter-chain kink lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap pair parameter peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect shown in Fig soliton spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans trans-(CH trans-polyacetylene transition V₁ valence bond values Vardeny