Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 239
... chemical shift effects . The nutation signal is captured between the rf windows [ 5.64 , 66 ] 13C CP nutation pulse ... Chemical Shift Tensor Chemical shift tensor σ is a 5. Magnetic Properties of Conjugated Polymers 239.
... chemical shift effects . The nutation signal is captured between the rf windows [ 5.64 , 66 ] 13C CP nutation pulse ... Chemical Shift Tensor Chemical shift tensor σ is a 5. Magnetic Properties of Conjugated Polymers 239.
Page 241
... chemical shift tensors of alternating double bonds [ 5.75 ] shift interactions ( causing a frequency shift w1 ) and dipole - dipole interactions ( causing a splitting w2 ) . The different interactions can be observed separately or in a ...
... chemical shift tensors of alternating double bonds [ 5.75 ] shift interactions ( causing a frequency shift w1 ) and dipole - dipole interactions ( causing a splitting w2 ) . The different interactions can be observed separately or in a ...
Page 243
... chemical shift tensor , another set of lines with [ 5.83 ] 11 = -242 ± 7 ppm , σ2 = − 174 + 16 ppm and 3313213 ppm . Comparison of this tensor with that of model compounds allows one to draw some conclusions concerning the chemical ...
... chemical shift tensor , another set of lines with [ 5.83 ] 11 = -242 ± 7 ppm , σ2 = − 174 + 16 ppm and 3313213 ppm . Comparison of this tensor with that of model compounds allows one to draw some conclusions concerning the chemical ...
Contents
Introduction | 1 |
Solitons Polarons and Bipolarons | 36 |
7 | 65 |
Copyright | |
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A.J. Heeger A.R. Bishop atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH coefficient conducting polymers configuration conjugated polymers Coulomb interaction coupling Cryst D.K. Campbell defects dependence dimerization discussed dopant doping doping levels e-e interactions electron correlation electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental finite polyenes frequency function G.L. Baker Hamiltonian Hartree-Fock hopping Hubbard model Hückel inter-chain kink lattice Lett linewidth magnetic Metals molecular neutral solitons nonlinear nuclear observed obtained one-dimensional optical absorption optical gap pair parameters peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect Solid State Commun soliton spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny