A fluid liquid crystal with ferroelectric-like order

Hiroya Nishikawa; Kazuya Shiroshita; Hiroki Higuchi; Yasushi Okumura; Yasuhiro Haseba; Shin-ichi Yamamoto; Koki Sago; Hirotsugu Kikuchi

doi:10.1117/12.2507189

1 March 2019 A fluid liquid crystal with ferroelectric-like order

Hiroya Nishikawa, Kazuya Shiroshita, Hiroki Higuchi, Yasushi Okumura, Yasuhiro Haseba, Shin-ichi Yamamoto, Koki Sago, Hirotsugu Kikuchi

Author Affiliations +

Proceedings Volume 10941, Emerging Liquid Crystal Technologies XIV; 1094106 (2019) https://doi.org/10.1117/12.2507189
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

A calamitic liquid crystal composed of 1,3-dioxane and fluorinated aryl units exhibits a highly polar and fluid mesophase (MP phase). In the MP phase, anomalously large dielectric permittivity (ca. 10⁴), ferroelectric-like polarization switching, and second harmonic generation (SHG) are observed. SHG interferometry also indicates the polarization inversion by reversing the applied electric field in the MP phase. These experimental data clearly show that in the MP phase, a unidirectional ferroelectric-like polar order exists along the director.

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Citation Download Citation

Hiroya Nishikawa, Kazuya Shiroshita, Hiroki Higuchi, Yasushi Okumura, Yasuhiro Haseba, Shin-ichi Yamamoto, Koki Sago, and Hirotsugu Kikuchi "A fluid liquid crystal with ferroelectric-like order", Proc. SPIE 10941, Emerging Liquid Crystal Technologies XIV, 1094106 (1 March 2019); https://doi.org/10.1117/12.2507189

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