Conjugated Conducting Polymers |
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Page 103
A remarkably simple but powerful theory both for the Raman modes of the
homogeneous system and for the dopant ... IR - active vibrational modes ,
commonly referred to as the amplitude mode theory , has been proposed by
Horovitz ( 2 .
A remarkably simple but powerful theory both for the Raman modes of the
homogeneous system and for the dopant ... IR - active vibrational modes ,
commonly referred to as the amplitude mode theory , has been proposed by
Horovitz ( 2 .
Page 104
IR modes are induced at frequencies obtained by solving the equation D . ( 12 ) =
( Q – 1 ) - 1 . ( 2 . 100 ) In the absence of pinning due to dopants ( or lattice
discreteness ) one solution of ( 2 . 100 ) is 12 = 0 , representing the Goldstone
mode ...
IR modes are induced at frequencies obtained by solving the equation D . ( 12 ) =
( Q – 1 ) - 1 . ( 2 . 100 ) In the absence of pinning due to dopants ( or lattice
discreteness ) one solution of ( 2 . 100 ) is 12 = 0 , representing the Goldstone
mode ...
Page 110
surate - incommensurate transition can explain the persistence of the
dopantinduced IR modes using the universal amplitude mode theory ( recall Sect
. 2 . 6 . 3 ) but not the sudden appearance of a Pauli susceptibility . In order to
remove this ...
surate - incommensurate transition can explain the persistence of the
dopantinduced IR modes using the universal amplitude mode theory ( recall Sect
. 2 . 6 . 3 ) but not the sudden appearance of a Pauli susceptibility . In order to
remove this ...
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Contents
Introduction | 1 |
An Overview of the Theory of rConjugated Polymers | 7 |
References | 114 |
Copyright | |
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absorption addition applied approach approximation atoms band behaviour bipolarons bond bond alternation calculations carriers chain charged chemical concentration conductivity configuration conjugated polymers correlation corresponding Coulomb Coulomb interactions coupling decreases defects density dependence described determined dimerization discussed dopant doping effects electron electron-electron electron-phonon ENDOR energy excitations expected experimental experiments field finite frequency function give ground Hamiltonian hopping Hubbard hyperfine important increase indicated interactions interpretation involving lattice leads length Lett limit magnetic materials measurements metallic methods modes motion neutral nuclear observed obtained one-dimensional optical pair parameter peak phonon Phys Physics polarons polyacetylene polyenes polymers position properties range relaxation resonance respect samples Sect shift shown shows similar single Solid soliton spectra spectrum spin structure studies symmetry Synth temperature theoretical theory trans-(CH transition transport units values whereas