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Proceedings Paper

Pyroelectric properties in polar hemicyanine Langmuir-Blodgett multilayer films
Author(s): Shihong Ma; Mei Yan; Wencheng Wang; Zhi-Ming Zhang; Zhanghai Chen; Pulin Liu; Junhao Zhu; Cuifeng Qu; Sheng-Wei Lin
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Paper Abstract

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-2 K-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.

Paper Details

Date Published: 11 August 1998
PDF: 4 pages
Proc. SPIE 3553, Detectors, Focal Plane Arrays, and Imaging Devices II, (11 August 1998); doi: 10.1117/12.318074
Show Author Affiliations
Shihong Ma, Fudan Univ. (China)
Mei Yan, Fudan Univ. (China)
Wencheng Wang, Fudan Univ. (China)
Zhi-Ming Zhang, Fudan Univ. (China)
Zhanghai Chen, National Lab. for Infrared Physics (China)
Pulin Liu, National Lab. for Infrared Physics (China)
Junhao Zhu, National Lab. for Infrared Physics (China)
Cuifeng Qu, Shanghai Institute of Ceramics (China)
Sheng-Wei Lin, Shanghai Institute of Ceramics (Taiwan)


Published in SPIE Proceedings Vol. 3553:
Detectors, Focal Plane Arrays, and Imaging Devices II
Pingzhi Liang; Marc Wigdor; William G. D. Frederick, Editor(s)

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