Pyroelectric figure of merit for a calix [4] acid/amine alternate layer Langmuir-Blodgett film

被引：7
作者：
Çapan, R [1 ]
Alp, I
Richardson, TH
Davis, F
机构：
[1] Univ Balikesir, Fac Sci, Dept Phys, TR-10100 Balikesir, Turkey
[2] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7HR, S Yorkshire, England
[3] Cranfield Univ, Inst Biosci & Technol, Silsoe, Beds, England
来源：
MATERIALS LETTERS | 2005年 / 59卷 / 14-15期
关键词：
pyroelectric effect; dielectricity; LB films; calixarene;
D O I：
10.1016/j.matlet.2005.02.032
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work calix [4] acid (A) has been deposited alternately with calix [4] amine (B) using the LB film deposition technique to form a non-centrosymmetric ABABA... molecular architecture. Pyroelectric and dielectric electric measurements have been performed for a 31 layer calix [4] acid/amine alternate layer LB film. Pyroelectric coefficients for this LB film system have been obtained using a quasi-static measurement system. Dielectric measurements have been used to determine the dielectric constant and the dielectric loss tangent. The data obtained from pyroelectric and dielectric measurements have been used to calculate the figure of merit for these LB film systems which has a value of 2.56 mu C m(-2) K-1. (c) 2005 Elsevier B.V. All rights reserved.
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收藏
页码：1945 / 1948
页数：4
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