Nonelectrical Poling in Ferroelectric Polycyanophenylenesulfides
Nonelectrical Poling in Ferroelectric Polycyanophenylenesulfides
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铁电聚氰基苯硫醚中的非电极化
DOI：
10.1143/jjap.38.2049
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发表时间：
1999
影响因子：
1.5
通讯作者：
N. Inagaki
中科院分区：
文献类型：
--
作者：
J. Ide;S. Tasaka;N. Inagaki
提出了一种利用氰基苯基协同效应在铁电材料聚氰基苯硫醚（PCPS）中形成极化的新方法。这种称为“表面能极化”的方法利用极性聚集体的顶面和底面的能量差来形成反射极化。将夹在具有较高表面能的金属和具有较低表面能的聚四氟乙烯之间的PCPS膜加热至Tcp [1.2×Tg（玻璃化转变温度）]并缓慢冷却至室温。在所得薄膜中实现了给出10 µC/m2 K的热释电常数和80 pm/V的电光系数（r33）的反射偏振。
A new poling method utilizing the cooperativity of cyanophenyl groups was proposed in ferroelectric polycyanophenylenesulfides (PCPS). The method called “surface energy poling” takes advantage of the energy difference in the top and bottom surfaces of a polar aggregate to form a remanent polarization. The PCPS film sandwiched between a metal with higher surface energy and polytetrafluoroethylene with lower surface energy was heated to Tcp [1.2×Tg (glass transition temperature)] and cooled slowly to room temperature. The remanent polarization that gives a pyroelectric constant of 10 µC/m2 K and an electrooptic coefficient (r33) of 80 pm/V in the resulting film was realized.