Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 160
... frequency range the characteristic features represented by the extended pair - approximation ( 3.21 ) : a frequency - independent conductivity at low frequencies , equal to the dc value , is followed by a monotonous increase with a ...
... frequency range the characteristic features represented by the extended pair - approximation ( 3.21 ) : a frequency - independent conductivity at low frequencies , equal to the dc value , is followed by a monotonous increase with a ...
Page 186
... frequency is called the anti - Stokes component . Only lattice vibrations having certain types of symmetry are Raman ... frequency w ; is annihilated , a scattered photon of frequency w , is created and in the case of a Stokes component ...
... frequency is called the anti - Stokes component . Only lattice vibrations having certain types of symmetry are Raman ... frequency w ; is annihilated , a scattered photon of frequency w , is created and in the case of a Stokes component ...
Page 221
... frequency w near the Larmor frequency @ to a coil or cavity . In the standard CW ( continuous wave ) technique , the magnetic field Bo is swept through the resonance in either a rapid passage , which yields the absorption signal ...
... frequency w near the Larmor frequency @ to a coil or cavity . In the standard CW ( continuous wave ) technique , the magnetic field Bo is swept through the resonance in either a rapid passage , which yields the absorption signal ...
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A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interaction coupling Cryst D.K. Campbell decreases defects dimerization discussed dopant dopant concentration dopant molecules 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 Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed 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 Solid State Commun spectra spectrum spin density SSH model susceptibility symmetry Synth theoretical theory thermoelectric coefficient trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny