Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 146
... separation distance of the two charges ( kink - antikink ) smaller than about 6-7 lattice constants are unstable . If separated by a larger distance , bipolarons can exist , but with a small binding energy of the order kT . Since the ...
... separation distance of the two charges ( kink - antikink ) smaller than about 6-7 lattice constants are unstable . If separated by a larger distance , bipolarons can exist , but with a small binding energy of the order kT . Since the ...
Page 222
... separation of the first derivative spectrum . For Gaussian and Lorentzian lines , their correspondence is App = [ 4 ... separation [ 5.14,15 ] Ajk = [ 3S ( S + 1 ) ] / 22hr [ 3 cos29jk - 1 ] jk jk ( 5.1.16 ) that depends upon the ...
... separation of the first derivative spectrum . For Gaussian and Lorentzian lines , their correspondence is App = [ 4 ... separation [ 5.14,15 ] Ajk = [ 3S ( S + 1 ) ] / 22hr [ 3 cos29jk - 1 ] jk jk ( 5.1.16 ) that depends upon the ...
Page 271
... separation equal to -2J . Here the ground state is antiferromagnetic ( singlet ) if J < 0 . The statistical nature of the distribution of the spins is incorporated via a parameter Z which defines the number of equivalent positions a ...
... separation equal to -2J . Here the ground state is antiferromagnetic ( singlet ) if J < 0 . The statistical nature of the distribution of the spins is incorporated via a parameter Z which defines the number of equivalent positions a ...
Contents
Introduction | 1 |
An Overview of the Theory of лConjugated Polymers | 7 |
7 | 65 |
Copyright | |
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Common terms and phrases
A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interactions 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 Hamiltonian Hartree-Fock hopping Hubbard model Hückel inter-chain kink lattice Lett linewidth magnetic Metals molecular molecules neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap 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 Solid State Commun spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny