Surface relief grating in hybrid films composed of azobenzene polymer and liquid crystal molecule
Surface relief grating in hybrid films composed of azobenzene polymer and liquid crystal molecule
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偶氮苯聚合物与液晶分子混合薄膜中的表面浮雕光栅
DOI：
10.1016/s0927-7757(01)00922-0
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发表时间：
2002
期刊：
影响因子：
--
通讯作者：
K. Ichimura
中科院分区：
文献类型：
--
作者：
T. Ubukata;T. Seki;K. Ichimura
本文报道了在偶氮苯功能化聚合物（6Az 10-PVA）和4′-戊基-4-氰基联苯（5CB）液晶分子的杂化膜中产生表面浮雕光栅（SRG）的方法。正弦调制的表面结构，由于大规模的物质迁移的混合膜形成后，暴露于干涉氩离子（Ar+）激光束在一个惊人的短时间内。在混合比中观察到一个明显的化学计量特征，以实现最有效的传质在这个二元复合系统。研究了SRG在加热过程中的稳定性和误差。
Generation of surface relief grating (SRG) in hybrid films containing an azobenzene-functionalized polymer (6Az10-PVA) and a nematic liquid crystal molecule, 4′-pentyl-4-cyanobiphenyl (5CB) is described. The sinusoidally modulated surface structures due to large-scale substance migration in the hybrid film were formed upon exposure to interferometric argon ion (Ar+) laser beam in a strikingly short period. An obvious stoichiometric character in the mixing ratio was observed to achieve the most efficient mass transfer in this binary composite system. The stability and erasion of SRG in the heating process was also investigated.