Pyroelectric properties in polar hemicyanine Langmuir-Blodgett multilayer films

Details Pyroelectric properties in polar hemicyanine Langmuir-Blodgett multilayer films Pyroelectric properties in polar hemicyanine Langmuir-Blodgett multilayer films

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3553..207m&link_type=abstract

Proc. SPIE Vol. 3553, p. 207-210, Detectors, Focal Plane Arrays, and Imaging Devices II, Pingzhi Liang; Marc Wigdor; William G.

Physics

Scientific paper

The Langmuir-Blodgett (LB) films of hemocyanin dyes were prepared by LB technique. The films show pyroelectric effect. The pyroelectric coefficient measured by the method of integrated charges is 12 (mu) C m(superscript -2) K(superscript -1) at room temperature. The relationship between the orientation of DAEP in the films and temperature was studied by polarized FTIR spectroscopy and second-harmonic generation. The physical mechanism of pyroelectricity in the films was also discussed.

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