非对映稳定铁电向列相体系中纳米团簇的相变
Nano-Clustering Mediates Phase Transitions in a Diastereomerically-Stabilized Ferroelectric Nematic System
摘要：
在过去的五年中，一类新的铁电流体，铁电液晶（NFLCs），由于其特殊的性质，如巨大的极化，高电光活性加上高流动性，创造了一个噪音。尽管最近在基于分子参数设计和开发新的NFLC分子方面做出了巨大努力，但NF相变的控制和NF相的稳定仍然具有挑战性。在这里，我们讨论了混合的DIO非对映异构体[transDIO（1）和cisDIO（2）]的NF相变的影响，在近晶cybotactic团簇形成的X-射线衍射检查。有趣的是，结果表明，具有相似偶极和分子骨架的非LC 2与NFLC 1的平滑交换在NF相变的改变中起作用。
英文摘要：
During the last half-decade, a new class of ferroic-fluid, ferroelectric nematic liquid crystals (NFLCs), creates a noise owing to its exceptional properties such as a colossal polarization, high electro-optic activity plus high fluidity. Regardless of recent huge efforts on design and development of new NFLC molecules based on molecular parameters, the control of NF phase transitions and the stabilization of NF phase are still challenging. Here we discuss the impact of mixing of DIO diastereomer [transDIO (1) and cisDIO (2)] to the NF phase transition, in terms of the smectic cybotactic cluster formation examined by X-ray diffraction. Interestingly, the result suggests that smooth exchange of NFLC 1 by non-LC 2 both with similar dipole and molecular backbone plays a role in the alteration of the NF phase transition.
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