Electric polarization generated by the solid-state polymerization of pTS |
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Authors: | M. Bertault M. Schott J. Sworakowski |
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Affiliation: | Groupe de Physique des Solides de I''ENS, Université Paris 7, Tour 23, 2 Place Jussieu, 75251 Paris cedex 05, France |
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Abstract: | Single crystals of pTS (bis-p-toluene sulphonate of 2,4-hexadiyne-1,6-diol), when annealed at 350 K, generate an electrical signal peaking at a time corresponding to that of a maximum polymerization rate. It is shown that a steady-state polarization of the order of 10?4 C/m2 is built into the pTS samples during the polymerization. The effect is probably associated with a non-compensated dipolar species created on polymerizing pTS crystals, and possibly also accounts for the pyroelectricity of poly-pTS. |
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