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Ayachi, S., Alimi, K. & Molinie, P. (2006) Magnetic properties of undoped and doped poly[(3-methoxy)4,6-toluene] (P3mt). Synth. Met. 156 1415–1421. 
Added by: Florent Boucher (2016-05-12 13:21:36)
Type de référence: Article
DOI: 10.1016/j.synthmet.2006.11.008
Numéro d'identification (ISBN etc.): 0379-6779
Clé BibTeX: Ayachi2006
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Catégories: IMN
Mots-clés: conducting polyaniline, electroluminescence, esr, hyperfine coupling, phenylene, photoluminescence, polymers, radical center, susceptibility
Créateurs: Alimi, Ayachi, Molinie
Collection: Synth. Met.
Consultations : 1/537
Indice de consultation : 4%
Indice de popularité : 1%
The magnetic properties of two types of poly [(3-methoxy)4,6-toluene] (P3mt(1) and P3mt(2)) are studied before and after doping with iodine or organic acids (CF3COOH or CH3SO3H) in a range of temperature varying from 110 to 460 K. Under 250 K and independent of the state, the magnetic susceptibility chi obeys Curie law dependence. Up to this temperature, chi is governed by a Pauli law contribution. This fact can be related to localized or delocalized spin. Furthermore, iodine doping induces distortion in the polymers that affects the ESR line distribution. In the case of organic acids doping process, a hyperfine structure with hyperfine coupling constant values between 2.2 and 2.8 G is observed. As the spin concentration decreases, we deduce that in the case of P3mt(2), there is a de-doping process. (c) 2006 Elsevier B.V. All rights reserved.
Added by: Florent Boucher  
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