The intermediate temperature T* revealed in relaxor polymers

B. L. Liu, B. B. Tian, S. Geiger, Z. G. Hu, X. L. Zhao, Y. H. Zou, J. L. Wang, J. L. Sun, S. Sun, B. Dkhil, X. J. Meng, J. H. Chu

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Abstract

The temperature dependence of the dielectric and optical properties, crystal structure, and infrared spectra of the relaxor poly(vinylidenefluoride- trifluoroethylene-chlorofluoroethylene) terpolymer films obtained from Langmuir-Blodgett method have been comprehensively investigated. All the results suggest that there exists a peculiar point at ∼370 K, which is attributed to the intermediate temperature T* recently discovered in inorganic relaxors. Here, T* results from the change in the growth rate of the trans gauche T3GT3G′ chain conformations with temperature, which is similar to the transformation from dynamic to static behavior of the so-called polar nano-regions in inorganic relaxors.

Original languageEnglish
Article number222907
JournalApplied Physics Letters
Volume104
Issue number22
DOIs
StatePublished - 2 Jun 2014

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