Monomorphs, bimorphs, and multimorphs from polar polymer electrets

被引:6
作者
Bauer-Gogonea, S
Bauer, S
Gerhard-Multhaupt, R
机构
[1] Johannes Kepler Univ, A-4040 Linz, Austria
[2] Univ Potsdam, Inst Phys, D-14469 Potsdam, Germany
关键词
D O I
10.1590/S0103-97331999000200012
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Mono-, bi-, and multimorphs are poled electrets with +/0, +/-, and more complicated alternating-polarity dipole-orientation patterns, respectively. Because of their unusual macroscopic piezo- and pyroelectrical as well as nonlinear optical properties, such structures are of particular interest for special transducer and optical waveguide applications. In this contribution, the preparation of such dipole-polarization patterns in ferroelectric and amorphous polymer electrets and their nondestructive probing by means of thermal and acoustical techniques are reviewed.
引用
收藏
页码:306 / 317
页数:12
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