Dielectric anisotropy in liquid crystal mixtures with nematic and smectic phases

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外文摘要：The modulation of dielectric anisotropy(Ae)is pivotal for elucidating molecular interactions and directing the align-ment of liquid crystals.In this study,we combine liquid crystals with opposing dielectric anisotropies to explore the impact of varying concentrations on their properties.We report the sign-reversal of Δε in both the nematic and smectic A phases of these mixed liquid crystals,alongside a dual-frequency behaviour across a broad temperature spectrum.Our research further quantifies the influence of mixture ratios under various temperatures and electric field frequencies.This exploration may pave the way for the discovery of new physical phenomena.

外文关键词：

mixed liquid crystaldielectric anisotropytunablenematicsmectic

作者：

汤星舟、叶家耀、王子烨、姜皓译、尚小虎、杨朝雁、李炳祥

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作者单位：

Nanjing University of Posts and Telecommunications,College of Electronic and Optical Engineering & College of Flexible Electronics(Future Technology),Nanjing 210023,China

National Laboratory of Solid State Microstructures,College of Engineering and Applied Sciences,Nanjing University,Nanjing 210023,China

基金：

National Key Research and Development Program of ChinaNational Natural Science Foundation of ChinaNatural Science Foundation of Jiangsu Province,Major ProjectNatural Science Research Startup Foundation of Recruiting Talents of Nanjing University of Posts and TelecommunicationsNatural Science Research Startup Foundation of Recruiting Talents of Nanjing University of Posts and Telecommunications

项目编号：

2022YFA140500062375141BK20212004NY222122NY222105

出版年：

2024

DOI：

10.1088/1674-1056/ad4cd7

中国物理B(英文版)

中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI

影响因子：0.995

ISSN：1674-1056

年,卷(期)：2024.33(8)