A giant pyroelectric effect of a rigid rod-like polymer, poly[(s)-(-)-2-propionic acid methyl isocyanate] | Zendy

Atsushi Sugita | Zendy; Yuhji Yamashira | Zendy; Shigeru Tasaka | Zendy

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A giant pyroelectric effect of a rigid rod-like polymer, poly[(s)-(-)-2-propionic acid methyl isocyanate]

Author(s) -

Atsushi Sugita,

Yuhji Yamashira,

Shigeru Tasaka

Publication year - 2005

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1978981

Subject(s) - pyroelectricity , materials science , polymer , polarization (electrochemistry) , isocyanate , hysteresis , electric field , polymer chemistry , composite material , ferroelectricity , condensed matter physics , chemistry , optoelectronics , physics , polyurethane , dielectric , quantum mechanics

Electric activity of a rigid rod-like polymer, poly[(s)-(-)-2-propionic acid methyl isocyanate] (Pc*IC), in a solid state is reported. A measurement of a displacement-field hysteresis loop reveals that Pc*IC chain systems possessed polarization for which the direction can be inversed by an external field. Remanent polarization and a coercive field were determined to be 16.4mC∕m2 and 15.7MV∕m, respectively, at 20°C. The polymer also exhibited the excellent pyroelectricity. A pyroelectric coefficient of about 300μmC∕m2K at 95°C was one magnitude larger than those of other pyroelectric polymers and was almost comparable with those of some inorganic pyroelectric materials.

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