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在铁电阴性液晶中沿导体场的非对称导热率

Lidiane Maria de Souza¹, Junaid Sofi², Erms Pereira¹

¹Department of Physics, <a href="https://ror.org/02ksmb993">Federal Rural University of Pernambuco</a>, Recife 52171-900, Brazil.

Physical review. E

|October 19, 2024

概括

铁电阴性液晶表现出独特的热特性,显示方向热传输. 这一发现为使用这些先进的液晶铺平了使用这些先进液晶的新型热整流器应用的道路.

科学领域:

材料科学材料科学材料科学
凝聚物质物理学凝聚物质物理学
热力学是一种热力学.

背景情况:

合成了铁电阴性液晶 (FNLC),由于切换时间缩短,使液晶显示器中的应用成为可能.
铁电阴性相的C∞V对称性类似于曲核心极性液晶相.

研究的目的:

为了研究铁电阴性相中的热传播和热导率.
探索FNLC作为热整流器材料的潜力.

主要方法:

使用等级-3张量来描述标量顺序参数的理论分析.
有限元模拟用于模拟导热率.

主要成果:

在FNLCs中观察到沿导体场 (n̂) 进行热传播的转换对称性破坏.
证明了沿 n̂ 的非对称导热.
在FNLC中确定了优先热传输.

结论:

FNLC 具有异型热传输特性.
优惠的热传输使FNLC能够作为全热单相非纳米结构的单材料热整流器发挥作用.
这项研究有助于FNLCs作为功能层和油墨的应用.

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