Optical, magnetic resonance and conductivity studies of the ladder polymer BBL

F. Coter; Y. Belaish; D. Davidov; L. R. Dalton; E. Ehrenfreund; M. R. McLean; H. S. Nalwa

doi:10.1016/0379-6779(89)90335-4

Optical, magnetic resonance and conductivity studies of the ladder polymer BBL

F. Coter^*, Y. Belaish, D. Davidov, L. R. Dalton, E. Ehrenfreund, M. R. McLean, H. S. Nalwa

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

We report on the optical, magnetic and electric properties of the ladder polymer BBL. Our optical studies indicate a gap of approximately 1.8eV in the neutral undoped state and the presence of charged defects which increase in number upon doping. Electron spin resonance studies suggest that these defects are polarons. The resistivity is very anisotropic and could be fit to Mott's model of variable range hopping. The anisotropy is attributed to anisotropic localization lengths (ξ_{{norm of matrix}}, ξ_⊥) of the localized states.

Original language	English
Pages (from-to)	471-476
Number of pages	6
Journal	Synthetic Metals
Volume	29
Issue number	1
DOIs	https://doi.org/10.1016/0379-6779(89)90335-4
State	Published - 7 Mar 1989

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abstract = "We report on the optical, magnetic and electric properties of the ladder polymer BBL. Our optical studies indicate a gap of approximately 1.8eV in the neutral undoped state and the presence of charged defects which increase in number upon doping. Electron spin resonance studies suggest that these defects are polarons. The resistivity is very anisotropic and could be fit to Mott's model of variable range hopping. The anisotropy is attributed to anisotropic localization lengths (ξ{norm of matrix}, ξ⊥) of the localized states.",

author = "F. Coter and Y. Belaish and D. Davidov and Dalton, {L. R.} and E. Ehrenfreund and McLean, {M. R.} and Nalwa, {H. S.}",

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AU - Ehrenfreund, E.

AU - McLean, M. R.

AU - Nalwa, H. S.

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N2 - We report on the optical, magnetic and electric properties of the ladder polymer BBL. Our optical studies indicate a gap of approximately 1.8eV in the neutral undoped state and the presence of charged defects which increase in number upon doping. Electron spin resonance studies suggest that these defects are polarons. The resistivity is very anisotropic and could be fit to Mott's model of variable range hopping. The anisotropy is attributed to anisotropic localization lengths (ξ{norm of matrix}, ξ⊥) of the localized states.

AB - We report on the optical, magnetic and electric properties of the ladder polymer BBL. Our optical studies indicate a gap of approximately 1.8eV in the neutral undoped state and the presence of charged defects which increase in number upon doping. Electron spin resonance studies suggest that these defects are polarons. The resistivity is very anisotropic and could be fit to Mott's model of variable range hopping. The anisotropy is attributed to anisotropic localization lengths (ξ{norm of matrix}, ξ⊥) of the localized states.

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Optical, magnetic resonance and conductivity studies of the ladder polymer BBL

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